Circulatory and Respiratory Systems Review

The ________________ system is responsible for moving blood through your body.

• heart

• respiratory

• circulatory

• digestive

The __________ is the main organ of the circulatory system.

• lung

• trachea

• air sac

• heart

________________ take blood away from your heart.

• arteries

• veins

• oxygen

__________ take blood back to your heart.

• arteries

• lungs

• veins

Respiration is made up of inspiration and expiration. Expiration means _________.

• pumping blood

• breathing in

• breathing out

• talking

When we exhale, we give off ___________, which is a waste product from respiration.

• oxygen

• sugar

• platelets

• carbon dioxide

Tags

NGSS.MS-LS2-3

The three types of blood cells are red blood cells, white blood cells, and ___________.

• blue blood cells

• platelets

• purple blood cells

• veins

True or False: Humans need carbon dioxide to live.

• True

• False

• Kind of true

The main organs of the respiratory system include the lungs, trachea, and __________.

• spine

• liver

• air sacs

• kidney

The ______ is the body system responsible for breathing.

• Circulatory System

• Digestive System

• Skeletal System

• Respiratory System