Word Network: respiração

A colorless, odorless reactive gas, essential for most life forms.

To breathe, to inhale and exhale air.

A colorless gas produced by burning carbon and organic compounds, and by respiration.

Health, the state of being free from illness or injury.

Either of the two saclike respiratory organs in the chest of vertebrates.

Life, the existence of an individual human being.

Air, the invisible gaseous substance surrounding the Earth.