Hormones are chemicals from glands that affect other body parts. They
are involved in helping the body respond to danger and in regulating human
growth, development, and reproduction.
NSES Content Standard C
Life Science: Structure and function in living systems Grades 5-8, page 156 The human organism has systems for digestion, respiration, reproduction, circulation, excretion, movement, control and coordination, and for protection from disease. These systems interact with one another. NSES Content Standard C
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