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Worksheets

Respiration

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
This is a tube about 12cm long with c-shaped rings of cartilage to keep it open
a)
Nasal cavity
b)
Trachea
c)
Mouth Cavity
d)
Pharynx
2.
Two short tubes that carry air into the lungs
a)
Trachea
b)
Bronchioles
c)
Lungs
d)
Bronchi
3.
Clusters of tiny air sacs that allow the exchange of oxygen and carbon dioxide
a)
Pharynx
b)
Diaphragm
c)
Alveoli
d)
Lungs
4.
When bronchial tubes are irritated and swell (causing excessive coughing)
a)
Bronchitis
b)
Lung cancer
c)
Asthma
d)
Emphysema
5.
Muscular structure that helps to expand and contract the lungs, forcing air in and out
a)
Pharynx
b)
Nasal cavity
c)
Alveoli
d)
Diaphragm
6.
Smaller tubes within the lungs
a)
Bronchioles
b)
Bronchi
c)
Lungs
d)
Alveoli
7.
Made up of spongy, elastic tissue that stretches as you breathe
a)
Alveoli
b)
Lungs
c)
Nasal Cavity
d)
Pharynx
8.
Bronchial tubes contract quickly causing shortness of breath, coughing, and wheezing
a)
Bronchitis
b)
Emphysema
c)
Lung cancer
d)
Asthma
9.
Caused by inhaling tar in cigarrette smoke
a)
Bronchitis
b)
Lung cancer
c)
Asthma
d)
Respiratory infections
10.
Illness of the lungs where the alveoli become inflamed and filled with fluid
a)
Lung cancer
b)
Bronchitis
c)
Pneumonia
d)
Emphysema
11.

Which animal can breathe through their skin?

a)
b)
c)
d)
12.

Lungs are to horses as ...

a)

... wings are to birds

b)

... teeth are to rabbits

c)

... mouths are to grasshoppers

d)

... gills are to fish

13.

Which is NOT a respiratory structure found in animals?

a)

Lungs

b)

Gills

c)

Skin

d)

Fur

14.

How do fishes obtain oxygen?

a)

Their gills absorb it from the water.

b)

They take it in when they breathe the air.

c)

Their eyes absorb it from the water.

d)

Axolotls do not need oxygen.

15.

Animals that live in the water usually have gills, however, some have lungs and can hold their breath for a long time. SELECT ALL examples of water animals that have lungs.

a)
b)
c)
d)
16.

TRUE or FALSE?

Turtles can breathe through their butts?

a)
b)
17.

Earthworms breathe through their _____.

a)

gills

b)

skin

c)

spiracles

d)

lungs

18.

Turtles breathe through their lungs. How do they breathe under water?

a)

through their skin

b)

through their spiracles

c)

through their lungs

d)

through their gills

19.

What do fish absorb through their gills?

a)

oxygen

b)

carbon dioxide

c)

oxygen dissolved in water

d)

carbon dioxide dissolved in water

20.

How can we take care of our respiratory system?

a)

practice good hygiene

b)

keep surroundings clean

c)

eat healthy food

d)

drink plenty of water

e)

All of the options are correct.