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Human Heart Anatomy and Function Quiz

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Questions and Answers

What is the approximate size of the human heart?

Size of a tennis ball

Size of a small watermelon

Size of a closed fist (correct)

Size of an open palm

How many chambers does the heart of a fish generally have?

Five

Four

Three

Two (correct)

What encloses the human heart and contains a small amount of fluid?

Endocardium

Pleura

Diaphragm

Pericardium (correct)

What prevents backflow of blood in a healthy heart?

Heart valves Signup and view all the answers

Where is the heart located in most animals?

Between the lungs, in the middle compartment of the chest Signup and view all the answers

What is the primary function of the lungs in the respiratory system?

Extract oxygen from the air and transfer it into the bloodstream Signup and view all the answers

What is the role of the pleurae in the respiratory system?

Reduce friction between the lungs and chest wall during breathing Signup and view all the answers

How is respiration driven in mammals, reptiles, and birds?

By using different muscles to support and foster breathing Signup and view all the answers

What mechanism was used for driving air into the lungs in earlier tetrapods?

Buccal pumping by the pharyngeal muscles Signup and view all the answers

What is the main function of the lungs in the gas exchange process?

To extract oxygen from the air and transfer it into the bloodstream Signup and view all the answers

What is the primary function of the lungs in the respiratory system?

Extract oxygen from the air and transfer it into the bloodstream Signup and view all the answers

What is the role of the pleurae in the respiratory system?

Reduce friction between the lungs and chest wall during breathing Signup and view all the answers

How is respiration driven in mammals, reptiles, and birds?

By different muscular systems Signup and view all the answers

How was air driven into the lungs in earlier tetrapods?

Via buccal pumping by the pharyngeal muscles Signup and view all the answers

Where are the lungs located in mammals and most vertebrates?

Near the backbone on either side of the heart Signup and view all the answers

Human Heart Anatomy and Function Quiz

Choose a study mode

Podcast

Questions and Answers

What is the approximate size of the human heart?

How many chambers does the heart of a fish generally have?

What encloses the human heart and contains a small amount of fluid?

What prevents backflow of blood in a healthy heart?

Where is the heart located in most animals?

What is the primary function of the lungs in the respiratory system?

What is the role of the pleurae in the respiratory system?

How is respiration driven in mammals, reptiles, and birds?

What mechanism was used for driving air into the lungs in earlier tetrapods?

What is the main function of the lungs in the gas exchange process?

What is the primary function of the lungs in the respiratory system?

What is the role of the pleurae in the respiratory system?

How is respiration driven in mammals, reptiles, and birds?

How was air driven into the lungs in earlier tetrapods?

Where are the lungs located in mammals and most vertebrates?

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