Front

When you breathe, your lungs take in ___ and remove ___. Options: air/oxygen, oxygen/carbon dioxide, carbon dioxide/waste, waste/air

Back

oxygen/carbon dioxide

Front

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

Back

alveoli

Front

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

Back

Epiglottis

Front

What is the main function of the respiratory system? Options: 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

Back

to provide oxygen and remove carbon dioxide from the body

Front

Order of air flow during inhalation: 1. larynx, 2. nasal cavity, 3. pharynx, 4. trachea

Back

2,3,1,4

Front

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

Back

pharynx

Front

The drawing in of breath; inhalation.

Back

Inspiration

Front

Breathing out; exhalation of breath.

Back

Expiration

Front

What is the site of gas exchange?

Back

alveoli

Front

The process of exchanging oxygen and carbon dioxide in the lungs.

Back

external respiration