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Question
Explain the following terms:
hormone, endocrine gland, ovulation, fertilisation, menstruation, sexual reproduction
hormone, endocrine gland, ovulation, fertilisation, menstruation, sexual reproduction
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Solution
Hormones are chemical substances produced by different glands in the body. They control the functioning of the body.
Endocrine glands are the glands that produce hormones.
Ovulation is the release of ova from the ovary.
Fertilisation is the fusion of a sperm and an ovum.
Menstruation is the flow of blood and tissues from the vagina in girls, which occurs every month after they attain puberty. Menstruation occurs only when the egg has not been fertilised by a sperm.
Sexual reproduction is the mode of reproduction that requires two individuals, i.e., a male and a female.
Endocrine glands are the glands that produce hormones.
Ovulation is the release of ova from the ovary.
Fertilisation is the fusion of a sperm and an ovum.
Menstruation is the flow of blood and tissues from the vagina in girls, which occurs every month after they attain puberty. Menstruation occurs only when the egg has not been fertilised by a sperm.
Sexual reproduction is the mode of reproduction that requires two individuals, i.e., a male and a female.
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