Interesting Heart Facts: Quiz! Trivia
(150).jpg "Interesting Heart Facts: Quiz! Trivia - Quiz")
This quiz will test your knowledge of the heart. It is one of the most important muscles of the body. Be sure you respect it and eat well and exercise. Remember, it is okay to treat yourself now and then, but a proper diet makes the heart that much healthier.
Questions and Answers
- 1.
The heart weighs ________________________________________.
- A.
2 pounds
- B.
Under a pound
- C.
3 pounds
- D.
1 pound
Correct Answer
B. Under a poundExplanation
The heart is a muscular organ located in the chest that pumps blood throughout the body. It is a vital organ and plays a crucial role in maintaining the circulatory system. While the weight of the heart can vary depending on factors such as age, gender, and overall health, on average, the heart weighs less than a pound.Rate this question:
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- 2.
What is the heart's function (job)?
- A.
To help you breath
- B.
To feed all the cells in your body
- C.
Neither Answer Above
Correct Answer
B. To feed all the cells in your bodyExplanation
The heart's function is to pump oxygenated blood to all the cells in the body. It ensures that every cell receives the necessary nutrients and oxygen for proper functioning.Rate this question:
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- 3.
The heart is a solid organ.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The heart is not a solid organ, but rather a muscular organ that pumps blood throughout the body. It is made up of four chambers and has a complex structure that allows it to efficiently circulate blood.Rate this question:
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- 4.
What is the endocardium?
- A.
Is the lining of the heart on the outside
- B.
Is the lining of the heart on the inside
- C.
Both A & B
- D.
None of the answers above
Correct Answer
B. Is the lining of the heart on the insideExplanation
The endocardium refers to the lining of the heart on the inside. It is a smooth, thin layer of tissue that covers the inner surface of the heart chambers and valves. This layer helps to reduce friction as blood flows through the heart and also plays a role in the conduction of electrical signals that regulate the heart's rhythm.Rate this question:
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- 5.
How many chambers are there in the heart?
- A.
2
- B.
5
- C.
4
- D.
7
Correct Answer
C. 4Explanation
The heart consists of four chambers: two atria and two ventricles. The atria receive blood from the body and lungs, while the ventricles pump blood out to the body and lungs. This division of chambers allows for efficient circulation of oxygenated and deoxygenated blood throughout the body.Rate this question:
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- 6.
What is the two top chambers called?
- A.
Left Atrium
- B.
Right Atrium
- C.
Left Ventricle
- D.
Right Ventricle
- E.
Both A & B
Correct Answer
E. Both A & BExplanation
The two top chambers of the heart are called the left atrium and the right atrium. These chambers receive blood from the veins and then pump it into the lower chambers, known as the ventricles. Therefore, the correct answer is "Both A & B" because both the left atrium and the right atrium are the two top chambers of the heart.Rate this question:
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- 7.
The three types of blood vessels are the veins; arteries; and capillaries.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because veins, arteries, and capillaries are indeed the three types of blood vessels. Veins carry deoxygenated blood towards the heart, arteries carry oxygenated blood away from the heart, and capillaries are the smallest blood vessels that connect arteries and veins, allowing for the exchange of oxygen, nutrients, and waste products.Rate this question:
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- 8.
The function of an artery is .....
- A.
To bring blood into the heart
- B.
To take blood out of the heart
- C.
All of the above
Correct Answer
B. To take blood out of the heartExplanation
The correct answer is "to take blood out of the heart". Arteries are blood vessels that carry oxygenated blood away from the heart to the rest of the body. They have thick, elastic walls that help maintain blood pressure as they transport blood to various organs and tissues. Therefore, arteries play a crucial role in the circulation of blood throughout the body, carrying oxygen and nutrients to the cells and removing waste products.Rate this question:
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- 9.
How many miles of blood vessels do we have in our bodies?
- A.
15,000 miles
- B.
1600 miles
- C.
60,000 yards
- D.
60,000 miles
Correct Answer
D. 60,000 milesExplanation
The correct answer is 60,000 miles. This is because our bodies have an extensive network of blood vessels that carry blood throughout our system. These blood vessels include arteries, veins, and capillaries, which are spread throughout our body. The total length of these blood vessels adds up to approximately 60,000 miles, allowing for the efficient transportation of blood to all parts of our body.Rate this question:
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- 10.
Which artery brings blood to the lungs?
- A.
Tricuspic Artery
- B.
Pulmonary Valve
- C.
Pulmonary Artery
- D.
None of the above
Correct Answer
C. Pulmonary ArteryExplanation
The correct answer is the Pulmonary Artery. The Pulmonary Artery is responsible for carrying deoxygenated blood from the heart to the lungs. Once the blood reaches the lungs, it gets oxygenated and then returns to the heart through the Pulmonary Veins. The Tricuspid Artery and Pulmonary Valve are not correct answers as they do not exist in the human anatomy.Rate this question:
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- 11.
The biggest vein in the body is...
- A.
In your heart
- B.
Tree trunk vein
- C.
Vena cava
Correct Answer
C. Vena cavaExplanation
The vena cava is the correct answer because it is the largest vein in the human body. There are two main vena cavae in the body - the superior vena cava and the inferior vena cava. The superior vena cava carries deoxygenated blood from the upper body to the heart, while the inferior vena cava carries deoxygenated blood from the lower body to the heart. These veins play a crucial role in returning blood to the heart for oxygenation and circulation throughout the body.Rate this question:
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- 12.
The heart is made of fat?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement "The heart is made of fat" is false. The heart is primarily made up of muscle tissue, not fat. Fat is present in the body, including around the heart, but it is not the main component of the heart itself. The heart is a vital organ composed mainly of cardiac muscle tissue, which allows it to pump blood throughout the body.Rate this question:
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- 13.
Blood goes through the pulmonary valve before it goes through the mitral valve.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Blood goes through the pulmonary valve before it goes through the mitral valve because the pulmonary valve is responsible for directing blood from the right ventricle to the pulmonary artery, which carries deoxygenated blood to the lungs to be oxygenated. After the blood is oxygenated in the lungs, it returns to the heart and enters the left atrium. From there, it passes through the mitral valve into the left ventricle before being pumped out to the rest of the body. Therefore, the blood must first pass through the pulmonary valve before reaching the mitral valve.Rate this question:
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- 14.
Capillaries are the smallest blood vessels.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Capillaries are indeed the smallest blood vessels in the human body. They are responsible for the exchange of oxygen, nutrients, and waste products between the blood and the surrounding tissues. Capillaries have thin walls that allow for easy diffusion of substances and are found throughout the body, connecting arteries and veins. Their small size and large number enable them to reach every cell in the body, ensuring efficient delivery of oxygen and nutrients while removing waste products. Therefore, the statement "Capillaries are the smallest blood vessels" is true.Rate this question:
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- 15.
It is the valve's job to not let blood go back once it has gone through a valve.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because valves in the circulatory system, such as the heart valves, are designed to prevent the backflow of blood. When blood passes through a valve, it closes tightly to ensure that the blood does not flow backward. This mechanism helps maintain the proper flow of blood in one direction, allowing for efficient circulation throughout the body.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Jan 08, 2012Quiz Created by
Fatu1988
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