Write the functions of vitamin A in our body

Vitamin A, also known as retinol, is a fat-soluble vitamin that plays crucial roles in various physiological functions in the body. Here are the functions of vitamin A:

1. Vision: Vitamin A is essential for maintaining normal vision. It plays a vital role in the formation of a pigment called rhodopsin, which is found in the retina of the eye. Rhodopsin helps in the absorption of light and facilitates vision in low-light conditions. Adequate vitamin A is necessary for maintaining good eyesight, preventing night blindness, and promoting overall eye health.

2. Immune System Function: Vitamin A plays a critical role in supporting the immune system. It helps _________ _________ ________ ________ ____ _____ ________ ______ ________ ______.
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