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Respiratory System

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

These are two primary airways that branch off from the trachea.

a)

Lungs

b)

Nose

c)

Larynx

d)

Bronchi

2.

Responsible for exchanging oxygen and carbon dioxide through the process of respiration.

a)

Lungs

b)

Windpipe

c)

Diaphragm

d)

Pharynx

3.

Which organ of the respiratory system can be described as a tube made of cartilage rings?

a)

The pharynx

b)

The trachea

c)

The larynx

d)

The bronchi

4.

The trachea leads to the________

a)

bronchi

b)

bronchioles

c)

Esophagus

d)

pulmonary vessel

5.

This is the process of the respiratory system brings oxygen into the body.

a)

Filtration

b)

Oxygenation

c)

Swallowing

d)

Eating

6.

Ethan and Emma are studying the importance of oxygen for survival. They learned that humans and animals need oxygen and release carbon dioxide. In their science project, they wondered which organism would benefit from the carbon dioxide that humans and animals release from their bodies.

a)

other human

b)

animals

c)

plants

7.

Also known as the windpipe

a)

larynx

b)

pharynx

c)

trachea

d)

esohpagus

8.

it is the part where the air that we inhale enters and carries out the air that we exhale.

a)

Nose

b)

Nasal cavity

c)

Mouth

d)

Throat (Pharynx)

9.

This is the function of nose wherein it filterout dust, bacteria and other particles from the air we breath

(a)  

10.

Function of nose specialized cells called olfactory receptors hat detects odors and transmit signals to the brain.

(a)  

11.

It is the function of the pharynx helps to propel food into the esophagus.

(a)  

12.

It is also known as the voice box, is a vital organ in the respiratory system.

(a)  

13.

It conduct air from the trachea to the lungs.

(a)  

14.

Function of larynx wherein it acts as a gateway to the trachea, preventing food and other objects to entering the airways.

(a)  

15.

It is primary enhances for air to enter the respiratory system.

(a)