
Respiration (physiology) - Wikipedia
In physiology, respiration is a process that facilitates the transport of oxygen from the outside environment to bodily tissues and the removal of carbon dioxide using a respiratory system.
Respiration - Definition and Types - ThoughtCo
Jul 31, 2024 · Respiration is the process of gas exchange between the air and an organism's cells. Three types of respiration include internal, external, and cellular respiration.
An introduction to cellular respiration (article) | Khan Academy
Cellular respiration involves three major stages Cellular respiration involves many steps, which can be divided into three main stages: glycolysis, the citric acid cycle (also called the Krebs …
Cellular respiration | Definition, Equation, Cycle, Process, …
Nov 28, 2025 · cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining …
What Is Respiration in Biology and How Does It Work?
Respiration in biology is a fundamental process that allows living organisms to obtain the energy necessary for all life functions. It involves a series of biochemical reactions that break down …
Respiration | Definition, Mechanism & Human Respiratory System
Explore the intricacies of respiration, from its definition to the differences between aerobic and anaerobic processes. Understand the human respiratory system and its vital role in cellular …
RESPIRATION Definition & Meaning - Merriam-Webster
The meaning of RESPIRATION is the movement of air or dissolved gases into and out of the lungs. How to use respiration in a sentence.
Respiration Definition - BYJU'S
Aug 6, 2021 · “Respiration is defined as a metabolic process wherein, the living cells of an organism obtains energy (in the form of ATP) by taking in oxygen and liberating carbon dioxide …
Respiration - Science for Everybody
Explore aerobic and anaerobic respiration in plants and animals. Includes the equations, energy release, and comparisons with fermentation. A key process for understanding energy transfer.
Respiration - Understanding Global Change
Cellular respiration uses organic molecules from food (for example, the sugar glucose) and oxygen to produce energy that is stored in the molecule adenosine triphosphate (ATP), as well …