Respiratory System

Multiple Choice

The trachea branches off into two large tubes in the lungs called.....

• Alveoli
• Bronchi
• Bronchioles

Multiple Choice

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus

Multiple Choice

What is the correct name for the voice box?

• Trachea
• Bronchus
• Bronchiole
• Larynx

Multiple Choice

What is labeled F?

• bronchioles

• trachea

• bronchi

• diaphragm

Multiple Choice

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 

• trachea 
• bronchi 
• alveoli
• diaphragm

Multiple Choice

Why is the respiratory system essential for the human body?

• It helps in digestion of food

• It supplies oxygen and removes carbon dioxide

• It produces hormones

• It controls body temperature

Multiple Select

Which of the following are key structures of the respiratory system?

• Nose

• Larynx

• Kidneys

• Diaphragm

Multiple Choice

Which structure is responsible for supplying the body with oxygen and disposing of carbon dioxide?

• Heart

• Lungs

• Kidneys

• Liver

Fill in the Blanks

The right lung has

lobes, while the left lung has two lobes.

Multiple Choice

What is A pointing to?

• trachea

• diaphragm

• bronchi

• nasal cavity

Multiple Choice

What is the main function of alveoli in the respiratory system?

• Filtering air

• Gas exchange

• Producing mucus

• Transporting blood

Multiple Choice

Which part of the respiratory system is primarily responsible for gas exchange in humans?

• Trachea

• Alveoli

• Bronchi

• Diaphragm

Multiple Select

Which of the following changes occur during inspiration?

• Diaphragm contracts

• Lungs expand

• Air flows out

• Volume in thoracic cavity increases

Fill in the Blanks

During expiration, the diaphragm

and the lungs recoil.

Multiple Choice

What is the function of the trachea in the respiratory system?

• It filters air using cilia and mucus

• It exchanges gases with blood

• It contracts to move air

• It absorbs oxygen directly

Multiple Choice

Which of the following best describes the role of diffusion and bulk flow in cellular respiration?

• Diffusion moves gases over long distances, while bulk flow moves small amounts of gases.

• Diffusion moves gases at short distances, while bulk flow moves large amounts of gases over different structures.

• Diffusion and bulk flow both move gases at short distances.

• Bulk flow is only involved in the movement of nutrients, not gases.

Multiple Choice

What is the major function of the respiratory system?

• Gas exchange; supply the body with O2 and dispose of CO2

• Digest food and absorb nutrients

• Pump blood throughout the body

• Transmit nerve impulses

Multiple Choice

What is B pointing to?

• trachea

• diaphragm

• pharynx

• nasal cavity

Multiple Choice

What is C pointing to?

• trachea

• diaphragm

• pharynx

• nasal cavity

Multiple Choice

What is D pointing to?

• trachea

• bronchi

• alveoli

• nasal cavity

Multiple Choice

What is E pointing to?

• trachea

• bronchi

• alveoli

• bronchioles

Multiple Choice

What is F pointing to?

• trachea

• bronchi

• alveoli

• bronchioles

Multiple Choice

What is G pointing to?

• trachea

• diaphragm

• pharynx

• nasal cavity