Gas Exchange

Front

What is the primary function of the respiratory system?

Back

To facilitate the exchange of carbon dioxide and oxygen between the environment and our bodies

Front

Waste gas expelled from the body during exhalation: Sulfur Dioxide, Oxygen, Carbon Monoxide, Carbon Dioxide

Back

Carbon Dioxide

Front

Identify what structure is indicated by the blue arrow in the picture.

Back

Pharynx

Front

Identify what structure is indicated by the blue arrow in the picture.

Back

Bronchi

Front

What causes inhalation?

Back

The diaphragm contracting

Front

In inhaled air, recall if there is a higher concentration of carbon dioxide or oxygen.

Back

Oxygen

Front

What structure in fish is adapted for gas exchange?

Back

Gills

Front

Why are gills pink in colour?

Back

Due to blood in the capillaries