Circulatory System

Question 1

Heart

Answer 1

The muscular organ that pumps blood through the body

Question 2

Atrium

Answer 2

An upper chamber of the human heart. There are two, one on the right side and one on the left side.

Question 3

Ventricle

Answer 3

A lower chamber of the human heart. There are two, one on the left side and one on the right side

Question 4

Valve

Answer 4

A structure that allows fluid to flow in only one direction

Question 5

Artery

Answer 5

A blood vessel that carries oxygen-rich blood away from the heart

Question 6

Aorta

Answer 6

The large artery that carries oxygen-rich blood away from the heart to the rest of the body

Question 7

Vein

Answer 7

A blood vessel that transports blood into the heart

Question 8

Vena cava

Answer 8

The main vein leading from the body onto the heart

Question 9

Capillary

Answer 9

A tiny blood vessel that connects arteries and veins

Question 10

Platelets

Answer 10

Part of the blood formed of small cell fragments. They form clots to stop bleeding

Question 11

Circulatory system

Answer 11

The organ system that moves blood through the body