Heart and Circulation Basics

What is the first chamber where blood enters the heart?

• Left atrium

• B. Right atrium

• Right atrium

• Left ventricle

Which part of the heart pumps blood to the lungs?

• C. Right ventricle

• A. Left ventricle

• B. Left atrium

• D. Right atrium

Which side of the heart receives oxygen-rich blood from the lungs?

• A. Right side

• B. Upper side

• A. Left side

• C. Lower side

Where does blood go after the left ventricle?

• C. Into the body

• D. Into the right ventricle

• B. Into the left atrium

• A. Back to the lungs

True or False: Blood goes from the lungs to the right atrium.

• True

• False

What is the name of the major blood vessel that carries blood out of the heart to the body?

• Femoral artery

• B. Aorta

• Coronary artery

• Jugular vein

What prevents blood from flowing backwards inside the heart?

• G. Plasma

• E. Capillaries

• F. Blood Cells

• C. Valves

Which part of the heart receives oxygen-rich blood from the lungs?

• A. Left atrium

• Right atrium

• Left ventricle

• Pulmonary artery

What is the function of the right atrium?

• B. Receive blood from the body

• D. Filter blood from the lungs

• C. Pump blood to the stomach

• A. Pump blood to the brain

How many chambers does the heart have?

• B. Six

• D. Eight

• A. One

• C. Four