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Respiratory system

Total questions: 24

Worksheet time: 15mins

Name
Class
Date
1.

Gas exchange takes place in structures called:

a)

Alveoli

b)

Pulmonary Phalanges

c)

Uvula

d)

VanDer Moof Sacs

2.

Gas exchange in the lungs happened primarily by the process of:

a)

Diffusion

b)

Endocytosis

c)

Apoptosis

d)

Mycellium

3.

The diaphragm contracts during

a)

Inhalation

b)

Exhalation

4.

Air is drawn into the lungs because:

a)

of the contraction of the diaphragm

b)

of the expansion of the thoracic cavity

c)

of the relaxation of the diaphragm

d)

of the reduction of the thoracic cavity

5.

The brain knows we need to breathe faster by monintoring the amount of _____ in blood.

a)

CO2

b)

O2

c)

Glucose

d)

Lactic Acid

6.

Sound is made when air passes over flaps of cartilage in the

a)

Trachea

b)

Pharynx

c)

Larynx

d)

Glottis

7.

Inhalation happens because:

a)

the pressure of the thoracic cavity increases

b)

the pressure of the thoracic cavity decreases

c)

the volume of the thoracic cavity decreases

d)

the volume of the thoracic cavity increases

8.

Small branches of tubes that pass through the lungs are called:

a)

Pulomonary Phalanges

b)

Bronchi

c)

Bronchioles

d)

Capillaries

9.
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 
10.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
11.
Name the organ label # 6. 
a)
alveoli 
b)
bronchi 
c)
trachea 
d)
lungs 
12.
Name the structure labeled 8 
a)
lungs 
b)
trachea 
c)
diaphragm 
d)
alveoli 
13.
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
14.

What keeps your bronchi and bronchiole tubes open?

a)

cartilage rings

b)

ligament squares

c)

ciliated cells

d)

muscle

15.
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
16.

Gaseous exchange happens because of...

a)

Osmosis

b)

Respiration

c)

Diffusion

d)

Semi-permeable membranes

17.
Muscular structure that helps to expand and contract the lungs, forcing air in and out
a)
Pharynx
b)
Nasal cavity
c)
Alveoli
d)
Diaphragm
18.
Passage way that moistens the air and has hairs to trap dust and particles
a)
Nasal cavity
b)
Bronchi
c)
Mouth cavity
d)
Larynx
19.
Alveoli increase the surface area in the lungs to allow...
a)
More nutrients to be absorbed
b)
You to breathe faster
c)
You to breathe slower
d)
More O2 and CO2 to exchange
20.
Membrane layer which covers the lungs
a)
Visceral pleura
b)
Alveolar Ducts
c)
Alveoli
d)
Bronchi
21.

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

22.

Which respiratory structure is supported by rings of cartilage?

a)

trachea

b)

alveolus

c)

bronchiole

d)

pharynx

23.

The diagram below represents a demonstration of the breathing process in humans. The balloons represent lungs.

The change in the balloons is brought about by

a)

a change in air composition outside the bell jar

b)

a change in air pressure inside the bell jar

c)

an expansion of the balloons, which pulls the rubber sheet into the bell jar

d)

a contraction of the balloons, which forces air into the bell jar

24.
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.

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