Heart structure

Question 1

What is the main function of the heart?

Answer 1

To pump blood throughout the body.

Question 2

True or False: The heart has four chambers.

Answer 2

True.

Question 3

Fill in the blank: The two upper chambers of the heart are called _____ and _____ .

Answer 3

atria and ventricles.

Question 4

What separates the left and right sides of the heart?

Answer 4

The septum.

Question 5

Which chamber of the heart receives oxygenated blood from the lungs?

Answer 5

The left atrium.

Question 6

Multiple Choice: What is the name of the valve that prevents backflow of blood from the aorta into the left ventricle? A) Tricuspid valve B) Mitral valve C) Aortic valve D) Pulmonary valve

Answer 6

C) Aortic valve.

Question 7

What is the role of the right ventricle?

Answer 7

To pump deoxygenated blood to the lungs.

Question 8

True or False: The heart is a muscular organ.

Answer 8

True.

Question 9

Fill in the blank: Blood enters the right atrium through the _____ and _____ .

Answer 9

superior vena cava and inferior vena cava.

Question 10

What is the purpose of the pulmonary circulation?

Answer 10

To carry deoxygenated blood from the heart to the lungs for oxygenation.