Respiratory System

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

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

Tags

NGSS.MS-LS2-3

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

Tags

NGSS.HS-LS2-5

Flap of tissue that covers the opening to the windpipe during swallowing

• Pharynx

• Trachea

• Epiglottis

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

Given the following structures:

1. larynx

2. nose

3. pharynx

4. trachea

Which of the following is the correct order that air would flow during inhalation.

• 1,2,3,4

• 2,3,1,4

• 2,1,3,4

• 4,2,3,1

Which body function is made possible by the fibrous bands stretched across the larynx?

• swallowing
• breathing
• diffusion
• speech

A chamber that connects the nose and mouth and leads to the trachea

• pharynx

• trachea

• epiglottis

• larynx

The trachea branches to form the

• nose

• bronchi

• lungs

• alveoli

tiny sacs of lung tissue specialized for the movement of gases between air and blood.

• lungs

• bronchi

• alveoli

• diaphragm

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

tiny, hairlike projections in the airway that move in a wavelike manner.

• alveoli

• cilia

• trachea

• lungs