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Unit 1 - Respiratory System Vocab

Total questions: 14

Worksheet time: 28mins

Name
Class
Date
1.

This is the name for the process of cells breaking down sugar to create energy.

a)

photosynthesis

b)

transpiration

c)

respiration

d)

inhalation

2.

Which body system is shown in the image, and brings oxygen into the body and gets rid of carbon dioxide?

a)

respiratory system

b)

circulatory system

c)

skeletal system

d)

nervous system

3.

This tube carries air back and forth between the nose and mouth and the lungs.

a)

lungs

b)

femur

c)

trachea

d)

stem

4.

What is the primary muscle used for breathing?

a)

bicep

b)

deltoid

c)

alveoli

d)

diaphragm

5.

Which two gases are exchanged in the alveoli during breathing?

a)

carbon dioxide and nitrogen

b)

carbon dioxide and oxygen

c)

oxygen and nitrogen

d)

oxygen and hydrogen

6.

This is the name for one of the smaller tubes that connects the trachea to the lungs.

a)

bronchus

b)

nose

c)

alveoli

d)

heart

7.

This is part of the passageway for air in the body, and is also called the voice box.

a)

lungs

b)

heart

c)

larynx

d)

alveoli

8.

What is diffusion?

a)

The movement of particles from high concentration to low concentration

b)

The movement of particles from low concentration to high concentration

c)

The movement of air from the mouth and nose to the lungs

d)

The movement of air from the lungs to the mouth and nose

9.

When respiration requires oxygen, it is called...

a)

aerobic respiration

b)

anaerobic respiration

10.

These are the large, primary organs of the respiratory system.

a)

alveoli

b)

kidneys

c)

heart

d)

lungs

11.

When respiration does NOT require oxygen, and produces lactic acid as a byproduct, it is called...

a)

aerobic respiration

b)

anaerobic respiration

12.

When the body takes in oxygen and lets out carbon dioxide, this is an example of...

a)

excretion

b)

gas exchange

c)

bleeding

d)

transpiration

13.

This is the plural form of bronchus, all of the tubes leading from the trachea to the lungs.

a)

bronchi

b)

alveoli

14.

Which muscles help to move the ribcage during breathing?

a)

bicep muscles

b)

diaphragm

c)

deltoids

d)

intercostal muscles