8Be Respiration Detection.

The air we breath in is called...

• Inhaled air.

• Exhaled air.

• Exhausted air.

• Polluted air.

The air we breath out is called....

• Inhaled air.

• Exhaled air.

• Exhausted air.

• Polluted air.

What gas constitutes the largest amount in the air we breath?

• Hydrogen.

• Carbon dioxide.

• Oxygen.

• Nitrogen.

What percentage of oxygen is found in air?

• 78%.

• 21%

• 0.03%.

• Variable.

What percentage of carbon dioxide do we exhale?

• Variable.

• 0.03%.

• 21%.

• 4%.

What percentage of carbon dioxide is found in air?

• 78%.

• 21%.

• 0.03%.

• Variable.

The amount of nitrogen in inhaled air is the same as that in exhaled air.

• True.

• False.

Inhaled air is cleaner than exhaled air.

• True.

• False.

Inhaled air is warmer than exhaled air.

• True.

• False.

Plants that grow underwater get their oxygen by....

• lungs.

• gills.

• diffusion.

• exhaling.