Vitamin A is an essential vitamin that the body needs for growth and development. It is also vital for cell recognition, vision, immune function, and reproduction.
It also helps the heart, lungs, kidneys, and other organs function correctly.
Vitamin A deficiency is rare in the United States. If it happens, it can lead to eye problems, including night blindness.
In this article, learn more about the types of vitamin A, what vitamin A does, and some good sources of it.
Answer:
cancer.
Explanation:
cancer is caused by abnormal cell division mechanism

The element having valency of 1 is ~
Yes, very informational. thank you.
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