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The Human Heart and Blood Circulation

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Questions and Answers

What is the function of the transport system in the body?

To convert complex food into simpler forms
To facilitate digestion
To distribute food and oxygen to all parts of the body (correct)
To remove enzymes from the body

What is the main function of the heart in humans?

To regulate body temperature
To distribute food and oxygen to all parts of the body (correct)
To facilitate digestion
To convert complex food into simpler forms

What type of muscle fibers make up the heart?

Voluntary muscle fibers
Smooth muscle fibers
Skeletal muscle fibers
Cardiac muscle fibers (correct)

How many chambers does the heart have in humans?

Four (C) Signup and view all the answers

What are the lower chambers of the heart called?

Ventricles (A) Signup and view all the answers

What are the upper chambers of the heart called?

Atria (B) Signup and view all the answers

What is the role of the heart in the transport system?

To pump blood throughout the body (C) Signup and view all the answers

What is the significance of the heart in the human body?

It enables the distribution of food and oxygen to all parts of the body (A) Signup and view all the answers

What is the main function of atria in the heart?

To receive blood returning to the heart (A) Signup and view all the answers

What is the relationship between the heart and the transport system?

The heart is the central organ of the transport system (B) Signup and view all the answers

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