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  1. 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.

  2. 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.

  3. 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.

  4. Cellular respiration | Definition, Equation, Cycle, Process, …

    Sep 22, 2025 · cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining …

  5. Respiration - Definition, Classifications, Cellular Respiration & More

    Feb 6, 2025 · Respiration is a critical biological process that allows living organisms to obtain energy from their environment. This process can be divided into two main types: cellular …

  6. 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 …

  7. An introduction to cellular respiration (article) | Khan Academy

    Cellular respiration is a biological process in which cells break down glucose in the presence of oxygen, releasing stored chemical energy. This energy can be used to power cellular processes.

  8. Physiology, Respiratory Rate - StatPearls - NCBI Bookshelf

    Sep 12, 2022 · Respiration is a vital process for normal function at every level of organization from a cell to an organism; oxygen, supplied by local circulation at the tissue level, functions at …

  9. Cellular Respiration: Steps, Process, and Stages | Osmosis

    Aug 21, 2025 · Cellular respiration is a metabolic pathway that uses glucose to produce adenosine triphosphate (ATP), an organic compound the body can use for energy. In ideal …

  10. Respiration | definition of respiration by Medical dictionary

    Respiration is the process by which nutrients (specifically sugar, or glucose) and oxygen are taken in to a cell; chemical reactions take place; energy is produce and stored; and carbon dioxide …