Heart
Blood Vessels
Vocab Terms
Blood
Miscellaneous
100

Your heart is about the size of this object.

What is a fist?

100

It is the largest vein in your body.

What is the vena cava?

100

The name for the bottom chambers of the heart.

What are ventricles?

100

Blood is this color when it carries oxygen.

What is red?

100

This is the main organ of the circulatory system.

What is the heart?

200

The left one of these pumps blood to your body.

What is the left ventricle?

200

These are the smallest blood vessels.

What are capillaries?

200
The name for the top chambers of the heart.

What are atriums?

200

Their purpose is to form blood clots.

What are platelets?

200

The system that carries materials throughout your body.

What is the circulatory system?

300

The flap of tissue between each chamber of the heart.

What is a valve?

300

These blood vessels carry blood away from the heart.

What are arteries?

300

The fluid that carries materials around the body.

What is blood?

300

The name for the fluid in the blood.

What is plasma?

300

The amount of time if takes for your blood to make a complete circle around the inside of your body?

What is one minute?

400

Blood enters your heart through the right one of these.

What is the right atrium?

400

These blood vessels carry blood back to the heart.

What are veins?

400

The organ that pumps blood.

What is the heart?

400

These blood cells carry oxygen throughout your body.

What are red blood cells?

400

These connect arteries to veins.

What are capillaries?

500

The heartbeat sound is caused by these snapping shut.

What are the valves?

500

It is the largest artery in your body.

What is the aorta?

500

The colorless fluid in the blood.

What is plasma?

500

These blood cells help your body fight infection & kill bacteria.

What are white blood cells?

500

The heart, arteries, veins, & blood.

What are the 4 most important parts of the circulatory system?

M
e
n
u