Match the terms with their correct meanings.

-Inner lining of the heart
A)aorta
B)arteriole
C)atrioventricular bundle
D)atrium
E)capillary
F)carbon dioxide
G)oxygen
H)diastole
I)systole
J)endocardium

Question

Match the terms with their correct meanings.

-Inner lining of the heart
A)aorta
B)arteriole
C)atrioventricular bundle
D)atrium
E)capillary
F)carbon dioxide
G)oxygen
H)diastole
I)systole
J)endocardium

Quizplus · Accepted Answer

Endocardium is the inner lining of the heart.

Answer: D
 Atrium refers to either of the two upper chambers of the heart that receive blood.

Answer: C
 Atrioventricular bundle is a group of specialized muscle fibers that conducts electrical impulses from the atria to the ventricles.

Answer: A
 Aorta is the main artery that carries blood from the heart to the rest of the body.

Answer: E
 Capillary is a tiny blood vessel that connects an arteriole and a venule.

Answer: G
 Oxygen is a gas that is needed by cells to produce energy.

Answer: F
 Carbon dioxide is a waste product produced by cells and transported by blood to the lungs for removal.

Answer: I
 Systole is the phase of the cardiac cycle when the heart muscle contracts and pumps blood out of the chambers.

Answer: H
 Diastole is the phase of the cardiac cycle when the heart muscle relaxes and fills with blood.

Match the Terms with Their Correct Meanings