Answer:
humans tend to avoid something that may cause us trouble. this can cause us to block hearing things that are necasry
Explanation:
One of the main function of stem cells in glands and in the skin is it does help replacing the lost skin cells. This then help in cell regeneration. Another function would be the stem cells help in making identical copies and making more daughter cells aiding in forming the skin layers.
False. There have been suits, created by NASA, that has helped swimmers go faster.