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10 Questions

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Human Heart Functioning

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Questions and Answers

What is the essential function of the heart?

To produce hormones

To pump blood through the circulatory system (correct)

To aid in digestion

To regulate body temperature

Where does the deoxygenated blood enter the heart?

Left ventricle

Right atrium (correct)

Right ventricle

Left atrium

What is the function of the tricuspid valve?

To regulate heart rate

To mix blood with oxygen

To pump blood to the lungs

To prevent blood from flowing back into the right atrium (correct)

Where does the oxygenated blood travel after leaving the lungs?

Left atrium Signup and view all the answers

How many times does the human heart beat in an average year?

35 million times Signup and view all the answers

What is the main function of the cerebrum?

Controlling thinking and muscle movements Signup and view all the answers

Which part of the brain is responsible for maintaining balance and regulating motor movements?

Cerebellum Signup and view all the answers

What is the function of the brain stem?

Regulating heart rate and breathing Signup and view all the answers

Which part of the brain is responsible for emotions and survival instincts?

Amygdala Signup and view all the answers

What percentage of the brain does the cerebrum occupy?

85% Signup and view all the answers