The human body contains hidden glands that form the endocrine system, which play a crucial role in regulating various metabolic processes, especially those related to reproduction and growth. For ...
The following diagram illustrates the menstrual cycle. It also shows the changing levels of the two hormones involved in the process. The menstrual cycle usually lasts approximately 28 days. The first ...
The body's hormones, and the glands that produce them, make up the endocrine system. There are eight major glands, and their job is to regulate the body's metabolism, reproduction, growth and sleep.
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