Respiratory system Notes: Definitions & Explanations PDF | Download eBooks
Study Respiratory system lecture notes PDF with biology definitions and explanation to study What is Respiratory system?. Study respiratory system explanation with biology terms to review biology course for online degree programs.
Respiratory system Definition:
A system comprising of lungs, trachea, other breathing tubes is called the respiratory system.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Respiratory system Notes:
The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The respiratory system is responsible for gas exchange (uptake of oxygen; disposal of carbon dioxide). In land animals the respiratory surface is internalized as linings of the lungs.[1] Gas exchange in the lungs occurs in millions of small air sacs called alveoli in mammals and reptiles, but atria in birds. These microscopic air sacs have a very rich blood supply, thus bringing the air into close contact with the blood.
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