Skeletel SySTEM And Skin And Muscles Review
See how well you know these!
Questions and Answers
- 1.
The skeletal system serves which of the following important functions?
- A.
Provides shape and form for our bodies
- B.
Supports, protects, and allows body movement
- C.
Produces blood for the body
- D.
Stores minerals
- E.
All of these
Correct Answer
E. All of theseExplanation
The skeletal system serves all of the mentioned important functions. It provides shape and form for our bodies, supports and protects our organs, allows body movement, produces blood cells in the bone marrow, and stores essential minerals like calcium and phosphorus.Rate this question:
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- 2.
How many bones are in the body?
- A.
10
- B.
57
- C.
206
- D.
1398
Correct Answer
C. 206Explanation
The human body has 206 bones.Rate this question:
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- 3.
What is attached to the rigid framework of bones?
- A.
Heart only
- B.
Blood vessels
- C.
Lungs only
- D.
Soft tissues and organs
Correct Answer
D. Soft tissues and organsExplanation
Soft tissues and organs are attached to the rigid framework of bones. The bones provide support and structure to the body, and the soft tissues and organs are attached to them through ligaments, tendons, and other connective tissues. This attachment allows for movement and coordination of the various body systems.Rate this question:
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- 4.
What are the most important protected parts (by the skeletal system)?
- A.
Vital organs like the brain, heart, and lungs
- B.
Fingernails
- C.
Skin
- D.
Blood vessels
Correct Answer
A. Vital organs like the brain, heart, and lungsExplanation
The most important protected parts by the skeletal system are vital organs like the brain, heart, and lungs. The skeletal system provides a framework and support for these organs, protecting them from external forces and impacts. The skull protects the brain, the ribcage protects the heart, and the ribcage and sternum protect the lungs. These organs are crucial for the body's overall functioning and survival, making their protection vital. Fingernails, skin, and blood vessels are not directly protected by the skeletal system.Rate this question:
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- 5.
What connects the muscles to the bones?
- A.
Tendons
- B.
Ligaments
- C.
Joints
Correct Answer
A. TendonsExplanation
Tendons connect muscles to bones. They are strong and flexible bands of fibrous tissue that attach muscles to bones, allowing for movement and transmitting the force generated by the muscles to the bones. Tendons are essential for proper functioning of the musculoskeletal system and enable us to perform various physical activities. Ligaments, on the other hand, connect bones to other bones, while joints are the points where two or more bones meet and allow for movement.Rate this question:
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- 6.
What connects bones to each other?
- A.
Tendons
- B.
Ligaments
- C.
Joints
Correct Answer
B. LigamentsExplanation
Ligaments are the correct answer because they are the fibrous connective tissues that connect bones to other bones in the body. They provide stability and support to the joints, allowing for movement and preventing excessive or abnormal movements that could lead to injury. Tendons, on the other hand, connect muscles to bones, while joints are the structures that connect bones together and allow for movement.Rate this question:
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- 7.
Where bones meet are called the _____________________.
- A.
Tendons
- B.
Ligaments
- C.
Joints
Correct Answer
C. JointsExplanation
Joints are the areas where bones meet. They allow for movement and flexibility in the body. Tendons are fibrous tissues that connect muscles to bones, while ligaments connect bones to other bones. However, in the context of the question, the correct answer is joints as it specifically refers to the location where bones meet.Rate this question:
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- 8.
Where are blood cells produced?
- A.
Heart
- B.
Lungs
- C.
Marrow in bones
- D.
Brain
Correct Answer
C. Marrow in bonesExplanation
Blood cells are produced in the marrow of bones. The bone marrow is a soft, spongy tissue found inside the bones. It contains stem cells that have the ability to differentiate into different types of blood cells, including red blood cells, white blood cells, and platelets. These blood cells are essential for various functions in the body, such as oxygen transport, immune response, and blood clotting.Rate this question:
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- 9.
What do bones store for us?
- A.
Calcium
- B.
Phosphorus
- C.
Neither of these
- D.
Both of these
Correct Answer
D. Both of theseExplanation
Bones store both calcium and phosphorus. Calcium is essential for maintaining strong bones and teeth, while phosphorus plays a crucial role in energy production, cell function, and bone formation. Therefore, bones store both of these minerals, ensuring their availability for various bodily functions.Rate this question:
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- 10.
Why is skin so important?
- A.
It covers and protects the inside of your body.
- B.
Without it muscles bones, and organs would be hanging out.
- C.
It keeps our bodies the right temperature.
- D.
It gives us the sense of touch.
- E.
All of the above.
Correct Answer
E. All of the above.Explanation
The skin is important because it serves multiple functions. It acts as a protective barrier, covering and safeguarding the inside of the body. Without skin, muscles, bones, and organs would be exposed and vulnerable. Additionally, the skin helps regulate body temperature by sweating and shivering. It also contains sensory receptors that enable us to feel touch, pressure, and pain. Therefore, all of the given statements are correct, making "All of the above" the correct answer.Rate this question:
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- 11.
The outside layer of skin is the ___________________________.
- A.
Dermis
- B.
Ligament
- C.
Epidermis
- D.
Fat
Correct Answer
C. EpidermisExplanation
The outside layer of skin is called the epidermis. The epidermis is the outermost layer of the skin and acts as a protective barrier against external factors such as bacteria, UV radiation, and chemicals. It is composed of multiple layers of cells, including keratinocytes, which produce the protein keratin that gives the skin its strength and waterproof properties. The epidermis also contains melanocytes, which produce the pigment melanin that gives color to the skin. Overall, the epidermis plays a crucial role in maintaining the integrity and function of the skin.Rate this question:
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- 12.
The skin on your hand is dead. True or False?
- A.
True.
- B.
False.
Correct Answer
A. True.Explanation
The statement is true because the outermost layer of the skin, called the epidermis, is made up of dead cells. These cells are constantly shedding and being replaced by new cells from the inner layers of the skin. Therefore, the skin on our hands, as well as the rest of our body, is technically dead.Rate this question:
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- 13.
Every minute of the day we lose how many skin cells?
- A.
1500
- B.
100
- C.
2
- D.
30,000
Correct Answer
D. 30,000Explanation
Our skin is constantly renewing itself, and as part of this process, we shed dead skin cells. On average, we lose around 30,000 skin cells every minute. This shedding is a natural and ongoing process that helps to keep our skin healthy and allows for the growth of new skin cells.Rate this question:
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- 14.
What gives skin its color?
- A.
Dermis
- B.
Melanin
- C.
Epidermis
- D.
Freckles
Correct Answer
B. MelaninExplanation
Melanin is the pigment responsible for giving color to the skin. It is produced by cells called melanocytes, which are located in the epidermis, the outermost layer of the skin. The amount and type of melanin present in an individual's skin determine their skin color. People with more melanin have darker skin, while those with less melanin have lighter skin. Melanin also helps protect the skin from the harmful effects of the sun's ultraviolet (UV) rays.Rate this question:
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- 15.
The middle layer of skin is the ______________________.
- A.
Melanin
- B.
Epidermis
- C.
Dermis
Correct Answer
C. DermisExplanation
The middle layer of skin is called the dermis. It is located between the outermost layer of skin, called the epidermis, and the innermost layer, called the subcutaneous tissue. The dermis is made up of connective tissue and contains blood vessels, hair follicles, sweat glands, and nerve endings. It provides support and nourishment to the epidermis, as well as helps regulate body temperature and sensation. The dermis also contains melanin, which gives color to the skin.Rate this question:
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- 16.
The middle layer contains all of the following: nerve endings, blood vessels, oil glands, and sweat glands. True or False?
- A.
True.
- B.
False.
Correct Answer
A. True.Explanation
The middle layer of the skin, known as the dermis, indeed contains nerve endings, blood vessels, oil glands, and sweat glands. Nerve endings are responsible for transmitting sensory information, while blood vessels supply nutrients and oxygen to the skin. Oil glands produce sebum, which helps keep the skin moisturized, and sweat glands produce sweat to regulate body temperature. Therefore, it is true that the middle layer of the skin contains all of these components.Rate this question:
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- 17.
What sends a message to your brain so you won't get hurt?
- A.
Muscles
- B.
Bones
- C.
Nerve endings
- D.
Body temperature
Correct Answer
C. Nerve endingsExplanation
Nerve endings send messages to the brain to prevent us from getting hurt. These specialized sensory receptors are found throughout our body and are responsible for detecting pain, temperature, pressure, and other sensations. When we encounter something potentially harmful, such as extreme heat or a sharp object, the nerve endings quickly transmit signals to the brain, which then triggers a protective response, such as pulling away or reflexively moving our hand. This rapid communication between nerve endings and the brain helps us avoid injury and stay safe.Rate this question:
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- 18.
What is the bottom layer of skin called?
- A.
Subcutaneous
- B.
Dermis
- C.
Neuron
- D.
Epidermis
Correct Answer
A. SubcutaneousExplanation
The bottom layer of skin is called the subcutaneous layer. This layer is located beneath the dermis and is made up of fat and connective tissue. It acts as a cushion and insulation for the body, as well as helping to regulate body temperature. The epidermis is the outermost layer of the skin, the dermis is the middle layer, and a neuron is a specialized cell that transmits nerve impulses.Rate this question:
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- 19.
The third layer of skin helps you do which of the following?
- A.
Feel pain
- B.
Make new skin cells
- C.
Stay warm and avoid shocks
Correct Answer
C. Stay warm and avoid shocksExplanation
The third layer of skin, known as the subcutaneous layer or hypodermis, contains fat cells that act as insulation to help regulate body temperature and keep us warm. Additionally, this layer provides a cushioning effect, protecting the body from shocks and impacts.Rate this question:
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- 20.
Hair grows out of a _________________________.
- A.
Folicle
- B.
Dermis
- C.
Epidermis
- D.
Muscle
Correct Answer
A. FolicleExplanation
Hair grows out of a follicle. The follicle is a small pocket in the skin where the hair strand is produced. It is located within the dermis layer of the skin. The dermis provides nourishment to the hair follicle, allowing it to grow and develop. The epidermis, on the other hand, is the outermost layer of the skin and does not directly contribute to hair growth. Muscles do not play a role in hair growth.Rate this question:
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- 21.
The hypothalamus is __________________________.
- A.
Your skin
- B.
A joint
- C.
A muscle
- D.
A thermometer inside your brain
Correct Answer
D. A thermometer inside your brainExplanation
The hypothalamus is often referred to as a thermometer inside your brain because it plays a crucial role in regulating body temperature. It receives information from temperature sensors located throughout the body and helps maintain a stable internal temperature by initiating responses such as sweating or shivering. This allows the body to adapt to changes in the external environment and maintain homeostasis.Rate this question:
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- 22.
Sweat helps you cool off. True or False?
- A.
True.
- B.
False.
Correct Answer
A. True.Explanation
Sweat helps you cool off because when your body temperature rises, sweat glands produce sweat. As the sweat evaporates from your skin, it takes heat with it, thus cooling your body down. This is the body's natural mechanism to regulate temperature and prevent overheating.Rate this question:
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- 23.
You control all your muscles by your thinking. True or False?
- A.
True.
- B.
False.
Correct Answer
B. False.Explanation
The statement is false because while thinking plays a role in initiating muscle movement, it is not the sole factor responsible for controlling all muscles. Muscle movement is also regulated by the nervous system, which includes involuntary actions controlled by the brainstem and spinal cord. Additionally, reflexes and automatic responses do not require conscious thinking to activate muscles.Rate this question:
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- 24.
How many muscles are in your body?
- A.
3
- B.
50
- C.
600
- D.
6000
Correct Answer
C. 600Explanation
The correct answer is 600 because the human body contains hundreds of muscles. Muscles are responsible for movement, stability, and posture, and they are found throughout the body, including the arms, legs, abdomen, and even the face. While the exact number of muscles can vary from person to person, it is generally accepted that there are around 600 muscles in the human body.Rate this question:
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- 25.
You have two types of muscles in your body..smooth and cardiac. True or False?
- A.
True.
- B.
False.
Correct Answer
B. False.Explanation
The statement is incorrect because there are actually three types of muscles in the body: smooth, cardiac, and skeletal. Smooth muscles are found in the walls of organs and blood vessels, cardiac muscles are found in the heart, and skeletal muscles are attached to bones and help with movement. Therefore, the correct answer is False.Rate this question:
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- 26.
You can control your smooth muscles, like your stomach and digestive system. True or False.
- A.
True.
- B.
False.
Correct Answer
B. False.Explanation
Smooth muscles are involuntary muscles, meaning we do not have conscious control over them. They are controlled by the autonomic nervous system and are responsible for the movement of internal organs such as the stomach and digestive system. Therefore, the statement that we can control our smooth muscles is false.Rate this question:
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- 27.
The muscle that makes up the heart is called the __________________.
- A.
Smooth
- B.
Esophagus
- C.
Cardiac
- D.
Psycho
Correct Answer
C. CardiacExplanation
The muscle that makes up the heart is called cardiac. The term "cardiac" refers specifically to the muscles of the heart, which are specialized and different from other types of muscles in the body. These cardiac muscles are responsible for the contraction and relaxation of the heart, allowing it to pump blood throughout the body.Rate this question:
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- 28.
Skeletel muscles make your bones move. True or False?
- A.
True.
- B.
False.
Correct Answer
A. True.Explanation
Skeletal muscles are responsible for the movement of bones in the body. When these muscles contract, they pull on the bones, causing them to move. This movement is essential for various activities such as walking, running, and lifting objects. Therefore, it is correct to say that skeletal muscles make your bones move.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Jan 26, 2010Quiz Created by
Sarawithfive
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