Inspired and Expired Air Composition

Vocabulary and numerical flashcards covering the differences and chemical composition of inspired vs expired air.

Inspired Air

The fresh atmospheric air that you breathe in.

Expired Air

The air you breathe out after gas exchange happens in your lungs.

Inspired vs Expired Air Composition Table

A table comparing the percentage compositions of Nitrogen, Oxygen, Carbon dioxide, Water vapour, Other gases, and Temperature in inspired and expired air.

Oxygen Concentration in Inspired Air

$$21\%$$

Oxygen Concentration in Expired Air

$$17\%$$

Carbon Dioxide Concentration in Inspired Air

$$0.04\%$$

Carbon Dioxide Concentration in Expired Air

$$4\%$$

Nitrogen Concentration in Inspired Air

$$78\%$$

Nitrogen Concentration in Expired Air

$$78\%$$

Other Gases Concentration in Inspired and Expired Air

$$1\%$$