Circulatory System

Front

About how big is the human heart?

• the size of your nose
• the size of your foot
• the size of your fist
• the size of your ear

Back

the size of your fist

Front

As the blood reaches the lungs, what is removed from the blood?

Back

carbon dioxide

Front

What is the main function of the circulatory system?

Back

transport blood, nutrients, and gases throughout the body

Front

The part of the blood that carries oxygen is called ___________.

Back

red blood cells

Front

Do veins carry oxygen poor blood back to the heart?

Back

True

Front

What are the smallest blood vessels?

Back

Capillaries

Front

The heart has ___ chambers.

Back

4

Front

Which organ carries oxygen and nutrients away from your heart to your body's tissues? Options: veins, arteries, lungs, heart

Back

arteries

Front

What is the yellow substance that takes up 54.3% of blood?

Back

Plasma

Front

Which is responsible for blood clotting? Red blood cells, White blood cells, Plasma, Platelets

Back

Platelets