Define: a) Puberty. b)Hormones.
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Puberty
Puberty is when a child's body begins to develop and change as they become an adult. Girls develop breasts and start their periods. Boys develop a deeper voice and facial hair will start to appear. ... It's completely normal for puberty to begin at any point from the ages of 8 to 14.
Hormone
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Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes. Some of these include: Development and growth.
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