Respiratory System

Tiny sacs of lung tissue specialized for the movement of gases between air and blood are called ________.

• lungs

• bronchi

• alveoli

• diaphragm

The passage through which air moves in the respiratory system, nicknamed the wind pipe, is officially called the ____________.

• trachea

• lungs

• larynx

• bronchi

The ribcage is a part of the skeletal system that surrounds the lungs. What can you infer about its function?

• It protects the lungs.

• It helps the lungs pump oxygen.

• It delivers oxygen from the lungs to the bloodstream.

• It connects the trachea to the lungs.

Tags

NGSS.MS-LS1-3

What word best describes the function of the trachea?

• Pumping station

• Entrance point

• Muscle

• Passageway

Where does the transfer of oxygen into the bloodstream take place?

• In the heart

• In the trachea

• In the alveoli

• In the nasal passages

What happens when your diaphragm relaxes and moves upward?

• Your lungs deflate and you breathe out.

• Your lungs inflate and you breathe in.

• Your alveoli transfer oxygen to your bloodstream.

• Your bloodstream transfers carbon dioxide to your alveoli.

Tags

NGSS.MS-LS1-3

What organ of the respiratory system is shown in BLUE in this diagram?

• pharynx

• trachea

• larynx

• epiglottis

What is the function of these tiny hairs in the bronchial tubes?

• moistens the air as it enters the lungs

• helps the lungs get carbon dioxide

• removes unwanted matter from the lungs

• helps the lungs get oxygen

What is the dome-shaped muscle beneath the lungs that helps us inhale and exhale?

• diagram

• dialysis

• diaphragm

• diorama

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

Tags

NGSS.HS-LS2-5

NGSS.HS-LS2-3