Which of the following statements is a correct description of why a particular gland is very large when we are young, but much smaller when we reach adulthood?

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    The pancreas is most active when we are young and decreases in size as less insulin is required when we mature.
    The thymus gland is large during youth and decreases with age as our immune system matures.
    The pituitary decreases in size after we reach adult stature and growth hormone is no longer needed to stimulate growth.
    The thyroid is most active when we are young to prevent the development of conditions such as cretinism.

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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The thymus gland is large during youth and decreases with age as our immune system matures.
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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