organs
circulatory system
respiratory system
digestive system
100

What organ takes in air? 

a. heart

b. lungs

c. stomach

a. lungs

100

What does the circulatory system circulate to your entire body?

a. skin 

b. blood

c. water

b. blood

100

What is the role of the respiratory system?

a. to  move blood around your body

b. to move fresh air into your body

c. to break down food

b. to move fresh air into your body 

100

What is the role of the digestive system?

a. to circulate blood to the entire body 

b. to get air into the body 

c. to break down food and get nutrients to the body

c. to break down food and get nutrients to the body

200

What organ pumps blood throughout the body?

a. heart

b. lungs

c. stomach

a. heart

200

What organ circulates blood throughout your entire body?

a. stomach 

b. lungs 

c. heart

c. heart

200

What organ brings air in and out of the body?

a. lungs

b. heart

c. stomach

a. lungs

200

What is the first step of digestion?

a. acid breaking down food in the stomach 

b. chewing 

c. swallowing 

b. chewing

300

What organ uses acid to break food down?

a. heart

b. stomach

c. small intestine

b. stomach

300

how many chambers are in a human heart?

a. 4

b. 2

c. 3

a. 4

300

What air do we breath into the body?

a. oxygen 

b. carbon dioxide

a. oxygen 

300

What organ pushes food into the stomach? 

a. esophagus 

b. trachea 

c. tongue 

a. esophagus 

400

What organ absorbs nutrients from food?

a. stomach 

b. lungs

c. small intestine


c. small intestine

400

how big is a human heart?

a. size of a grape 

b. size of your fist 

c. size of a baseball

b. your fist

400

How does oxygen travel through the body?

a. in the skin

b. in the blood

c. in the muscles


b. in the blood

400

What does the stomach have to break down food?

a. blood

b. chemicals 

c. acid

c. acid

500

What organ absorbs water and moves waste?

a. small intestine 

b. stomach 

c. large intestine

c. large intestine

500

true or false

your heart is beating while you are sleeping

true

500

What tube allows air to travel to the lungs?

a. trachea

b. esophagus 

a. trachea

500

true or false 

The digestive system ends with the large intestine

true