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Worksheets

Resp system

Total questions: 29

Worksheet time: 17mins

Name
Class
Date
1.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 
a)
1,2,3,4
b)
2,3,1,4
c)
2,1,3,4
d)
4,2,3,1 
2.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
3.
Name the organ label # 6. 
a)
alveoli 
b)
bronchi 
c)
trachea 
d)
lungs 
4.
Name the structure labeled 8 
a)
lungs 
b)
trachea 
c)
diaphragm 
d)
alveoli 
5.
a flap of tissue that closes when we eat so food doesn't not go down the trachea
a)
larynx
b)
pharynx
c)
trachea
d)
epiglottis
6.

What keeps your bronchi and bronchiole tubes open?

a)

cartilage rings

b)

ligament squares

c)

ciliated cells

d)

muscle

7.
The trachea...
a)
extends from the nasal cavity to the bronchi
b)
is lined with cilia
c)
lies posterior to the esophagus
d)
is the passageway for food into the stomach
8.
Muscular structure that helps to expand and contract the lungs, forcing air in and out
a)
Pharynx
b)
Nasal cavity
c)
Alveoli
d)
Diaphragm
9.

Which structures filter and moisten air as it passes through the human respiratory system?

a)

cilia and mucous membranes

b)

alveoli and cartilage rings

c)

diaphragm and bronchioles

d)

epiglottis and bronchi

10.

An increase in breathing rate can be triggered by an increase in the

a)

carbon dioxide content of the blood

b)

oxygen content of the atmosphere

c)

number of platelets in the blood

d)

number of red blood cells

11.
What happens during inspiration?
a)
The diaphragm contracts and pulls down to cause air to rush into the thoracic cavity.
b)
The diaphragm relaxes and causes a pressure change and air rushes out.
c)
The diaphram relaxes and causes the thoracic cavity to get smaller.
12.
When you exercise, your heart beats faster to...
a)
spread oxygen throughout your body more quickly.
b)
make you feel excited.
c)
let you know you're working hard.
d)
inflate your lungs
13.

Gases move from an are of low concentration to high concentration.

a)

True

b)

False

14.

The upper respiratory system is composed of these divisions:

a)

Nasal cavity

b)

Larynx

c)

Pharynx

d)

Bronchioles

15.

Which answer is true?

a)

Increase in volume= increase in pressure

b)

decrease in volume= increase in pressure

c)

decrease in volume= decrease in pressure

d)

Increase in volume= decrease in pressure

16.
A chamber behind the nose and mouth that leads to the trachea
a)
pharynx
b)
trachea
c)
epiglottis
d)
larynx
17.

the U-shaped cartilage rings of the trachea are open on one side to allow movement of the

a)

larynx

b)

lungs

c)

esophagus

d)

diaphragm

18.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
19.
Which organelle uses oxygen to release enery from food?
a)
nucleus
b)
ribosome
c)
mitochondrion
d)
endoplasmic reticulum
20.

With an increase of surface area to volume ratio, what happens to rate of gas exchange?

a)

the rate of gas exchange increases

b)

gas exchange decreases

c)

fish breathe faster

d)

diffusion of oxygen decreases

21.

Which gas exchange method is most efficient?

a)

Parallel flow

b)

Counter-current flow

22.

What is meant by a counter-current system?

a)

A short distance for gases to diffuse

b)

When water flows in an opposite direction to blood flow

c)

having a higher concentration inside the lungs than outside

23.

Name the respiratory structure in fish.

a)

Lungs

b)

Gills

c)

Moist outer skin

d)

Trachea

24.

Name the respiratory structure in insects.

a)

Lungs

b)

Gills

c)

Moist outer skin

d)

Trachea

25.

Gills are made up of two rows of fine filaments that have many thin and flat 'plates' known as .........................

a)

trachea

b)

lamellae

c)

spiracles

d)

valves

26.

Gill filaments are supported by the .....................

a)

gill arch

b)

operculum

c)

lamellae

d)

density of blood

27.

The number of filaments and lamellae in fish produce a large surface area to facilitate .......................

a)

water diffusion

b)

blood circulation

c)

energetic activities

d)

gaseous exchange

28.

Name one respiratory structure of an amphibians which can adapt for gaseous exchange while they are on land.

a)

Lungs

b)

Gills

c)

Moist outer skin

d)

Trachea

29.

What is structure X ?

a)

Valves

b)

Tracheoles

c)

Spiracles

d)

Air sacs

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