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Unit 3 | Human Body Systems

Total questions: 33

Worksheet time: 26mins

Name
Class
Date
1.
The cell is the basic building block of
a)
complex organisms
b)
a building
c)
a house
d)
complex matter
2.
Which terms should be in 2 and 4?
1. Cells          
2. ___________
3. organs      
4. ___________
5. organism 
a)
2 = tissues 
4 = organ system
b)
2 = animal cell
4 = plant cell
c)
2 = organ systems
4 = tissues
d)
2 = organ system
4 = organism 
3.
Why do cells have different shapes?
a)
Because they have different functions.
b)
Because they have different names.
c)
Because they live in different areas.
d)
Because they live happily ever after.
4.
A group of tissues make up a(n) ____________.
a)
cell
b)
organ
c)
organism
d)
organ system
5.
What are organ systems?
a)
A group of cells working together.
b)
A group of tissues working together.
c)
A group or organs working together.
d)
A group of organisms working together. 
6.
When scientists "regrow" body parts for people who have been injured, they often start with cells. Cells with the same function make up ________________.
a)
tissue
b)
organs
c)
organ systems
d)
organisms
7.
The respiratory system brings in _________ so that it can react with food to produce ________.
a)
oxygen, energy
b)
carbon dioxide, energy
c)
energy, oxygen
d)
oxygen, feces
8.
The respiratory system brings in ________ while the circulatory system delivers it to _______.
a)
oxygen, cells
b)
cells, oxygen
c)
carbon dioxide, oxygen
d)
carbon dioxide, tissues
9.
Where does digestion BEGIN?
a)
Mouth
b)
Esophagus
c)
Stomach
d)
Small intestine
10.
The excretory system _________.
a)
digests food
b)
removes waste
c)
circulates nutrients
d)
delivers oxygen
11.
You put your hand on a hot stove and suddenly pull it back, yelling "OUCH!".  Which two systems are working together in this scenario?
a)
Nervous and digestive
b)
Nervous and muscular
c)
Muscular and excretory
d)
Muscular and digestive
12.
The system in which blood makes a complete loop, delivering nutrients throughout the body and removing wastes is known as the:
a)
digestive
b)
circulatory 
c)
nervous
d)
respiratory 
13.
Which blood vessel carries de-oxygenated blood?
a)
arteries
b)
veins
c)
capillaries
d)
alveoli 
14.
Which of the following is NOT a part of the male reproductive system?
a)
testes
b)
penis
c)
urethra
d)
vagina
15.
When your body responds to different stimuli you are using your:
a)
nervous system.
b)
digestive system
c)
respiratory system
d)
excretory system
16.
How does air move through the respiratory system?
a)
nose, trachea, lungs, bronchi, alveoli
b)
nose, trachea, alveoli, lungs, bronchi
17.
Homeostasis is a 
a)
stable internal environment
b)
unbalanced internal environment
c)
the same temperature
d)
a stable external status
18.
The small intestine absorbs _________ and the large intestine absorbs __________.
a)
water, nutrients
b)
nutrients, water
19.
What does your skeletal system do for your body?
a)
protects, produced blood cells, and supports your body
b)
moves, generates heat, and encourages posture.
20.
Which of the following is the best example of skeletal muscle?
a)
small intestine
b)
bicep
c)
stomach
d)
heart
21.
Which of the following is an example of smooth muscle?
a)
stomach
b)
bicep
c)
tricep
d)
heart
22.
When you INHALE, your diaphragm _______ and your lungs _________.
a)
contracts, expand
b)
relaxes, contract 
23.
In the stomach, which type of digestion takes place?
a)
smooth and skeletal
b)
digestive and supportive
c)
chemical and mechanical
d)
cardiac and smooth 
24.
How does urine flow through the body?
a)
kidneys > ureters > urethra > bladder
b)
kidneys > ureters > bladder > urethra
c)
urethra > bladder > ureter > kidneys
d)
bladder > kidneys > ureter > urethra 
25.
Solid waste is stored in which part of the body?
a)
small intestine
b)
rectum
c)
stomach
d)
esophagus 
26.
Although millions are released, how many sperm does it take to fertilize an egg?
a)
1
b)
10
c)
20
d)
50
27.
Which body system releases hormones?
a)
immune
b)
respiratory
c)
endocrine
d)
musculoskeletal
28.
Which system protects us from infection, illness and disease?
a)
immune 
b)
digestive
c)
respiratory
d)
circulatory 
29.
TRUE OR FALSE:
The path of food through the digestive system is:
1. esophagus
2. stomach
3. small intestine
4. large intestine
5. rectum 
a)
TRUE
b)
FALSE
30.
What is the purpose of alveoli?
a)
gas exchange
b)
mechanical digestion
c)
circulation
d)
absorbtion
31.
When you EXHALE, your diaphragm _________ while your lungs _________.
a)
contracts, expand
b)
relaxes, contract
32.
The word "cardiac" means:
a)
stomach
b)
heart
c)
lung
d)
vein
33.
Cardiac cells will make cardiac tissue, which is found in the ______ which is a part of the circulatory system.
a)
heart
b)
lungs
c)
intestines
d)
biceps