respiration

word

Definition

The act or process of breathing, where you take in oxygen and release carbon dioxide. In science, it also refers to the way cells get energy from food.

Usage & Nuances

'Respiration' is a formal, scientific term often used in biology and medicine. Do not confuse it with 'breathing' in everyday speech. In biology, it may refer to cellular respiration, a chemical process happening inside cells.

Example Sentences

During exercise, respiration rate increases.

basic

The doctor checked his respiration and heart rate.

natural

Cellular respiration releases energy your body needs.

natural

If respiration stops, it’s a medical emergency.

natural

Plants and animals depend on respiration to live.

basic

Bad air quality can make respiration difficult for people.

basic