The answer is Antioxidant. It is has a compound ability to
prevent or repair the damage caused by oxidation. These nutrients Vitamin E, Vitamin
C, Beta-carotene, Vitamin A, and Selenium serve as antioxidants. Primary role
is as an antioxidant and improves immune function. Protects polyunsaturated
fatty acids (PUFAs) in cooking oils and in the plasma membrane.
There is no mixing of oxygen-rich and oxygen-poor blood.
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The right atrium and right ventricle of the human heart pump oxygen-poor blood to the lungs and the left atrium receives oxygen-rich blood. They never mix.
