Describe how muscles obtain oxygen.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Describe how muscles obtain oxygen.

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Muscles are referred to as soft body tissues comprise of actin and myosin protein. Muscles are principally responsible for generating movement in the body.

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Muscle can obtain oxygen from the blood. The pulmonary vein transports oxygen from the lungs. The haemoglobin carries this oxygen within the blood, and as haemoglobin reaches the muscle, the oxygen is transfused within the myoglobin of muscle fibre. Myoglobin is also a protein present within the muscles and has an oxygen-carrying capacity like haemoglobin and decreases the muscles demand for continuous blood supply at the time of contraction.

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