The Skin, The Urinary System And Excretion

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| By Raefa

Raefa

Community Contributor

Quizzes Created: 1 | Total Attempts: 167

Questions: 10 | Attempts: 171 | Updated: Jan 23, 2023

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Questions and Answers

1.

The body removes the wastes in the form of solid, liquid or gas.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement is true because the body has various systems and organs that are responsible for removing waste. The digestive system eliminates solid waste through bowel movements, the urinary system eliminates liquid waste through urine, and the respiratory system eliminates gaseous waste through exhalation. These processes are essential for maintaining the body's overall health and functioning.

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2.

The blood transports the urine to the kidneys.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
This statement is incorrect. The blood does not transport urine to the kidneys. The kidneys are responsible for filtering waste products, including urine, from the blood. The urine is then transported from the kidneys to the bladder through the ureters.

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3.

The urinary system is made up of 2 kidneys, ureters, bladder and sweat glands.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The urinary system is not made up of sweat glands. The sweat glands are part of the integumentary system, which is responsible for regulating body temperature. The urinary system, on the other hand, is responsible for filtering waste products from the blood and producing urine. It consists of the kidneys, ureters, bladder, and urethra.

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4.

The ureters transport urine from the kidneys to the bladder.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The ureters are thin tubes that connect the kidneys to the bladder. Their main function is to transport urine, which is produced in the kidneys, down to the bladder for storage. The urine flows through the ureters in a one-way direction due to the presence of valves, preventing any backflow. Once the bladder is full, it signals the brain to initiate the process of urination. Therefore, the statement that the ureters transport urine from the kidneys to the bladder is true.

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5.

The skin is made up of 2 layers.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The skin is actually made up of three layers: the epidermis, dermis, and subcutaneous tissue. The epidermis is the outermost layer, providing a protective barrier, while the dermis is the middle layer containing blood vessels, hair follicles, and sweat glands. The subcutaneous tissue, also known as the hypodermis, is the deepest layer that consists of fat and connective tissue. Therefore, the statement that the skin is made up of only two layers is incorrect.

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6.

In winter, we sweat more than summer.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
This statement is false. In winter, we actually sweat less than in summer. Sweating is the body's natural way of cooling down, and it occurs when we are hot or exerting ourselves. In summer, the hot weather and increased physical activity can cause us to sweat more. In winter, the colder temperatures typically result in less sweating as our bodies are not working as hard to cool down.

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7.

The blood transports the excess________ to the kidneys, where they are filtered and transformed into ________. Urine is then carried through ________ to the ________. Then the urine is removed through another canal, called the ________.

Correct Answer
water
urine
ureters
bladder
urethra

Explanation
Blood transports the excess water to the kidneys, where they are filtered and transformed into urine. Urine is then carried through the ureters to the bladder. Then the urine is removed through another canal, called the urethra.

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4
8.

Select the functions of the skin.
- A.
  
  Touching organ
- B.
  
  Protect the body
- C.
  
  Produce urine
- D.
  
  Produce vitamin C
- E.
  
  Produce vitamin D
Correct Answer(s)
A. Touching organ
B. Protect the body
E. Produce vitamin D

Explanation
The skin is a touching organ as it contains sensory receptors that allow us to feel touch, pressure, and temperature. It also acts as a protective barrier, preventing harmful substances and microorganisms from entering the body. Additionally, the skin plays a role in producing vitamin D when exposed to sunlight, which is essential for bone health. However, the skin does not produce urine or vitamin C.

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9.

Name in order the layers of the skin. ________ ________ ________

Correct Answer(s)
epidermis, Epidermis
dermis, Dermis
Hypodermis, hypodermis

Explanation
The correct answer is "epidermis, dermis, hypodermis". The skin is composed of three main layers: the epidermis, which is the outermost layer and provides a protective barrier; the dermis, which contains blood vessels, nerves, and hair follicles; and the hypodermis, which is the deepest layer and contains fat cells that help insulate the body. The repetition of the terms "epidermis" and "dermis" may be a typographical error.

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4
10.

Sweat is made up of
- A.
  
  Only wastes
- B.
  
  Water and waste
- C.
  
  Oxygen and water
- D.
  
  Urea and uric acid
Correct Answer
B. Water and waste

Explanation
Sweat is primarily composed of water and waste products. When the body sweats, it releases excess heat and toxins through the skin. The water component helps to regulate body temperature by evaporating and cooling the skin. Meanwhile, waste products such as urea and uric acid are also excreted in sweat, helping to eliminate these byproducts from the body. Therefore, the correct answer is water and waste.

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The Skin, The Urinary System And Excretion

The body removes the wastes in the form of solid, liquid or gas.

The blood transports the urine to the kidneys.

The urinary system is made up of 2 kidneys, ureters, bladder and sweat glands.

The ureters transport urine from the kidneys to the bladder.

The skin is made up of 2 layers.

In winter, we sweat more than summer.

The blood transports the excess________ to the kidneys, where they are filtered and transformed into ________. Urine is then carried through ________ to the ________. Then the urine is removed through another canal, called the ________.

Select the functions of the skin.

Name in order the layers of the skin. ________ ________ ________

Sweat is made up of

The blood transports the excess to the kidneys, where they are filtered and transformed into . Urine is then carried through to the . Then the urine is removed through another canal, called the .

Name in order the layers of the skin.