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Human Body Systems List 1

Total questions: 30

Worksheet time: 23mins

Name
Class
Date
1.
The process by which the body breaks down food so that it can be used for energy.
a)
composition
b)
digestion
c)
deposition
d)
absorption
2.
Tube that carries swallowed food to the stomach
a)
esophagus
b)
liver
c)
pancreas
d)
rectum
3.
Chewing food is an example of _____________.
a)
chemical digestion
b)
mechanical digestion
4.
Which structure makes bile?
a)
Stomach
b)
Pancreas
c)
Liver
d)
mouth
5.
Where does chemical digestion begin?
a)
Mouth
b)
esophagus
c)
stomach
d)
small intestine
6.
Where does physical digestion occur in the digestive system?
a)
pancreas and liver
b)
mouth and small intestine
c)
stomach and small intestine
d)
mouth and stomach
7.
Which of the following is NOT an example of CHEMICAL digestion?
a)
chewing your food into small pieces 
b)
stomach acid dissolving food
c)
bile breaking down fats in the small intestine
d)
salvia changing starch into sugar in your mouth
8.
Urine production takes place in the:
a)
nephrons
b)
bladder
c)
ureter
d)
renal pelvis
9.
What is the main function of the excretory system?
a)
to collect and remove wastes from the body
b)
to strengthen skeletal muscles
c)
to protect the nervous system
d)
to bring oxygen to body cells
10.
Tiny filtering structures where urine is produced in the kidneys are called
a)
ureters.
b)
alveoli.
c)
nephrons.
d)
bronchi.
11.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

12.

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

a)

diapragm

b)

lungs

c)

trachea

13.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
14.

These are the two two main branches from the trachea (one to each lung)

a)

bronchi

b)

alveoli

c)

capillaries

d)

bronchioles

15.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
16.
What is tube that is also known as your wind pipe?
a)
esophogus
b)
bronchi
c)
trachea
d)
alveoli
17.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

18.

What type of cells carry oxygen in the blood?

a)

red blood cells

b)

white blood cells

19.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

20.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

21.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

22.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
23.
______________ are the second largest blood vessel. 
a)
Arteries
b)
Veins
c)
Capillaries
24.
Which of the following is a synonym for the circulatory system?
a)
respiratory system
b)
digestive system
c)
nervous system
d)
cardiovascular system
25.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
26.
What does the cerebrum control?
a)
controls thoughts and voluntary actions
b)
controls vital and involuntary actions 
c)
controls balance
d)
controls the uvula
27.
The nervous system is composed of the ___, ___, and ___.
a)
heart, brain, kidneys
b)
lungs, liver, stomach
c)
brain, spinal cord, nerves
d)
eyes, pancreas, veins
28.
What is the function of the nervous system.
a)
provide nutrients for the body.
b)
send and recieve messages
c)
circulate oxygen to sells
d)
remove carbon dioxide from blood
29.
Brain cells are called
a)
hemoglobin
b)
neurons
c)
brainpoppers
d)
alveoli
30.
Branch-like extensions of the neuron that receive chemical messages and carry them to the cell body.
a)
Dendrites
b)
Neurons
c)
Nerves
d)
Spinal Cord

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