What organ takes in air?
a. heart
b. lungs
c. stomach
a. lungs
What does the circulatory system circulate to your entire body?
a. skin
b. blood
c. water
b. blood
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
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
What organ pumps blood throughout the body?
a. heart
b. lungs
c. stomach
a. heart
What organ circulates blood throughout your entire body?
a. stomach
b. lungs
c. heart
c. heart
What organ brings air in and out of the body?
a. lungs
b. heart
c. stomach
a. lungs
What is the first step of digestion?
a. acid breaking down food in the stomach
b. chewing
c. swallowing
b. chewing
What organ uses acid to break food down?
a. heart
b. stomach
c. small intestine
b. stomach
how many chambers are in a human heart?
a. 4
b. 2
c. 3
a. 4
What air do we breath into the body?
a. oxygen
b. carbon dioxide
a. oxygen
What organ pushes food into the stomach?
a. esophagus
b. trachea
c. tongue
a. esophagus
What organ absorbs nutrients from food?
a. stomach
b. lungs
c. small intestine
c. small intestine
how big is a human heart?
a. size of a grape
b. size of your fist
c. size of a baseball
b. your fist
How does oxygen travel through the body?
a. in the skin
b. in the blood
c. in the muscles
b. in the blood
What does the stomach have to break down food?
a. blood
b. chemicals
c. acid
c. acid
What organ absorbs water and moves waste?
a. small intestine
b. stomach
c. large intestine
c. large intestine
true or false
your heart is beating while you are sleeping
true
What tube allows air to travel to the lungs?
a. trachea
b. esophagus
a. trachea
true or false
The digestive system ends with the large intestine
true