Circulatory System and Respiratory System

What do we call the tiny tubes that return oxygen

poor blood back to the heart?

• arteries

• chambers

• veins

• ventricles

What do we call the smallest blood vessels in our bodies?

• atoms

• capillaries

• tissues

• cells

The yellowish fluid that is in the blood that contains nutrients is called __________.

• plasma

• white blood cells

• red blood cells

• platelets

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

• red blood cells

• white blood cells

• platelets

• plasma

The part of the blood that fights off harmful bacteria and viruses is called ________.

• red blood cells

• white blood cells

• platelets

• plasma

The large artery that brings blood from the heart to the lungs is called the ___________.

• vein

• ventricle

• pulmonary artery

• capillary

When we breathe in, our bodies use _________ to live.

• carbon monoxide

• carbon dioxide

• nitrogen

• oxygen

We breathe out ________ when we exhale.

• carbon monoxide

• carbon dioxide

• helium

• oxygen

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-3

Which part is number 7?

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle

Which part is number 11?

• Right Atirum

• Left Atirum

• Right Ventricle

• Left Ventricle