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.

Through the process of cellular respiration, carbon dioxide and water are also produced. During cellular respiration, an organism takes in food (which contains carbohydrates) and oxygen. The chemical …

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.

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 activities and …

Apr 9, 2024 · Respiratory System Your respiratory system is made up of your lungs, airways (trachea, bronchi and bronchioles), diaphragm, voice box, throat, nose and mouth. Its main function is to …

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 nutrient …

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.

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 as heat.

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 from the …

KS3 Biology Respiration and gas exchange learning resources for adults, children, parents and teachers.