Hormones are chemical substances that regulate many of the body's functions. true or false

True. Hormones are chemical substances that regulate many of the body's functions. Hormones are chemical substances, formed in a tissue or organ, that stimulate or inhibit the growth or function of other tissues or organs.  They  work in conjunction with the endocrine, nervous, and immune systems to regulate many body functions.

The answer is d. when it begins to fall back to the child's hand

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