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What do the testes and ovaries produce to develop male and female characteristics?
A
Vitamins
B
Neurotransmitters
C
Enzymes
D
Hormones
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1
Understand that the testes and ovaries are part of the endocrine system, which is responsible for producing hormones.
Recognize that hormones are chemical messengers that travel through the bloodstream to target organs and tissues, influencing various physiological processes.
Identify the specific hormones produced by the testes and ovaries: the testes primarily produce testosterone, while the ovaries produce estrogen and progesterone.
Learn that testosterone is responsible for developing male characteristics such as increased muscle mass, facial hair, and a deeper voice.
Understand that estrogen and progesterone are responsible for developing female characteristics such as breast development, regulation of the menstrual cycle, and maintenance of pregnancy.