Share Changes during Puberty (Science Grade 5)
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_______ - a period when the body begins to develop and change; the transition from being a chaild to being an adult.
Puberty
When does puberty starts in girls?
8 - 13
When does puberty starts in boys?
9 - 15
A pea-shaped gland locates below the brain is called a _________ _____
Pituitary Gland
It is released by the pituitary gland help in the development of the physical characteristics of boys and girls.
Hormones
It is the most important change in girls.
Menstruation
It occurs when the female hormone called progestetone is secreted by the ovary to prepare the uterus for fertilization.
Ovulation
What is the average menstrual cycle of a girl with menstruation?
28 - 29 days
When males reach old age, there is a decrease in the produce of testosterone.
Andropause
