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7.12B Respiratory, Digestive and Circulatory Systems

Total questions: 15

Worksheet time: 7mins

Name
Class
Date
1.
What organ pumps blood throughout your body?
a)
veins
b)
arteries
c)
heart
d)
blood vessels
2.
What are the main organs in the respiratory system?
a)
heart
b)
lungs
c)
stomach
d)
intestines
3.
Our lungs ...
a)
breathe in oxygen and breathe out carbon dioxide.
b)
breathe in carbo.
c)
breathe in helium and breathe out oxygen.
d)
breathe in oxygen and breathe out helium.
4.
What is another word for your windpipe?
a)
esophagus
b)
sinuses
c)
trachea
d)
alveoli
5.
Your _______ is a muscle connected to the bottom of your lungs that helps your lungs expand and contract when you breathe.
a)
esophagus
b)
alveoli
c)
trachea
d)
diaphragm
6.

The breakdown of food into small molecules, which are then absorbed into the body is the main function of which body system.

a)

integumentary system

b)

digestive system

c)

excretory system

d)

endocrine system

7.

This human body system is a series of organs responsible for taking in oxygen and expelling carbon dioxide.

a)

nervous system

b)

integumentary system

c)

respiratory system

d)

excretory system

8.

This system functions to transport blood and oxygen from the lungs to the various tissues of the body.

a)

nervous system

b)

circulatory system

c)

endocrine system

d)

integumentary system

9.

Which body system converts food into simpler substances for the body to absorb as nutrients?

a)

Digestive system

b)

Excretory system

c)

Circulatory system

d)

Muscular system

10.

The main function of the circulatory system is to -

a)

support and protect delicate organs such as the brain, lungs, and hear

b)

protect the body against invading organisms and infectious diseases

c)

pump oxygen and nutrients through the blood to every part of the body

d)

coordinate all actions and reactions of the body using electrical signals

11.
The ____________ is a muscular organ that pumps blood to the body through blood vessels. 
a)
vein 
b)
artery 
c)
heart
12.

_________ are absorbed into the blood.

a)

saliva

b)

gastric juices

c)

bile

d)

nutrients

13.

Which body system is shown here?

a)

circulatory system

b)

respiratory system

14.
Which organ squeezes and mixes your food into a mushy liquid?
a)
mouth
b)
stomach
c)
large intestine
d)
small intestine
15.

What comes before the stomach?

a)

Large Intestine

b)

Small Intestine

c)

Esophagus

d)

Kidney