Final answer:
Vitamin A chiefly supports vision and immune function. It aids in eye health, particularly in low-light conditions, and bolsters the immune system by maintaining the health of white blood cells and the body's physical barriers to infection.
Step-by-step explanation:
Vitamin A, a fat-soluble vitamin, plays a vital role primarily in vision and immune function (option c). It aids in maintaining healthy eyesight, especially in low light conditions and also contributes to the health and functionality of the immune system.
In the context of vision, Vitamin A forms a component of the protein rhodopsin, which is involved in the detection of light by the retina in our eyes.
In relation to immune function, Vitamin A is essential for the normal function of white blood cells, including T cells, and it further helps maintain the health of the skin and mucous membranes, the body's first line of defense against pathogens.
Vitamin A plays a vital role in:
c) Vision and immune function
Learn more about Vitamin A