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WorksheetsRespiratory system
Total questions: 18
Worksheet time: 13mins
Name
Class
Date
1.
What is the primary function of mucus and cilia in the nostrils?
a)
Sound production
b)
Filtration
c)
Temperature Control
d)
Respiration
2.
The nostrils, larynx, and trachea are all made primarily of:
a)
Cartilage
b)
Bone
c)
Muscle
d)
Tendons
3.
Where in the respiratory tract does the exchange of oxygen and carbon dioxide take place?
a)
Larynx
b)
Bronchi
c)
Trachea
d)
Alveoli
4.
During cellular respiration, what happens to the carbon dioxide?
a)
It leaves the alveoli and is exhaled from the lungs
b)
It leaves the bloodstream and enters the alveoli
c)
It leaves the cells and enters the bloodstream
d)
It leaves the alveoli and enters the bloodstream
5.
If a person could not produce surfactant, his/her:
a)
Alveoli would collapse
b)
Bronchi would collapse
c)
Vocal chords could not vibrate
d)
Epiglottis would close
6.
Which organelle uses oxygen to release enery from food?
a)
nucleus
b)
ribosome
c)
mitochondrion
d)
endoplasmic reticulum
7.
The movement of oxygen from the alveoli to the blood and from the blood to the tissues is due to the process of...
a)
osmosis
b)
diffusion
c)
cytokinesis
d)
phagocytosis
8.
Gases move from a lower pressure to a higher pressure.
a)
True
b)
False
9.
The normal oxygen content of inhaled air is approximately
a)
0.04%
b)
21%
c)
79%
d)
100%
10.
Why do you need mucous membranes in the bronchioles?
a)
to help the food go down smoothly
b)
to stop the air irritating them
c)
to help air pass through
d)
to trap and remove foreign particles
11.
Name the organ label #6
a)
alveoli
b)
bronchi
c)
trachea
d)
lungs
12.
What type of cells carry oxygen in the blood?
a)
Erythrocyte
b)
Leukocyte
c)
Enterocyte
d)
Chief cell
13.
Muscular structure that helps to expand and contract the lungs, forcing air in and out
a)
Pharynx
b)
Nasal cavity
c)
Alveoli
d)
Diaphragm
14.
Number 10 is pointing to:
a)
Alveoli
b)
Trachea
c)
Bronchioles
d)
Bronchi
15.
Goblet cells secrete
a)
oil
b)
sweat
c)
mucus
d)
acid
16.
These features add surface area to an epithelial surface
a)
desmosomes
b)
flagella
c)
cilia
d)
microvilli
17.
Ciliated simple columnar epithelium is found in ______________________.
a)
small intestines
b)
respiratory tract
c)
blood vessels
d)
skin
18.
The green arrow is pointing to
a)
a goblet cell
b)
a basement membrane
c)
a nucleus
d)
a lumen
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