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. nasal cavity
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 

What is the site of gas exchange?

• alveoli

• nose

• lung

• bronchi

The only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

Which part of the Respiratory System plays a major role in speech?

• nose

• pharynx

• larynx

• trachea

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

• lungs

• bronchi

• alveoli

• diaphragm

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Tiny, hair-like structures in the airway that move in a wavelike manner in order to move dirt, germs, etc. up the respiratory tract so that they can be swallowed or spit out.

• alveoli

• cilia

• trachea

• lungs

the windpipe; a passage through which air moves in the respiratory system.

• trachea

• lungs

• larynx

• bronchi

the passages that direct air into the lungs.

• lungs

• trachea

• bronchi

• alveoli