Why is oxygen important to blood and cells?
Asked by shamoli | 30th Mar, 2013, 06:53: PM
Oxygen is required to carry out aerobic respiration and liberates energy so that the cells can perform various activities. Blood has haemoglobin that binds with oxygen and is transported to all the cells, tissues and organs of the body.
Answered by Meghna Thapar | 3rd Apr, 2013, 12:47: PM
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