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Breathing Notes: Definitions & Explanations PDF | Download eBooks

Study Breathing lecture notes PDF with biology definitions and explanation to study “What is Breathing?”. Study breathing explanation with biology terms to review biology course for online degree programs.

Breathing Definition:

  • Breathing is the alternating inhalation and exhalation of air.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson



Breathing Notes:

Breathing is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly by bringing in oxygen and moving out carbon dioxide. All aerobic creatures need oxygen for cellular respiration, which uses the oxygen to break down foods for energy and produces carbon dioxide as a waste product. Breathing brings air into the lungs where gas exchange takes place in the alveoli through diffusion. The body then transports these gases to the body cells

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