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reproduction in humans 2 - Coggle Diagram
reproduction in humans 2
hormones
controlles development and functioning reproductive systems(sex hormones)
produced by gonads
endoctrine glands
Testosterone in the testis
Progesterone and estrogen in the ovaries.
responsible for development & functioning of sexual characteristics
Primary: are the sexual organs
Secondary: typical male and female morphological characteristics (tone of voice,
bone development (wrists and hips) etc.)
girls, 10-14, pituitary gland makes Luteinising Hormone (LH) and Follicle Stimulating Hormone (FSH)
stimulate the production of the sex hormones
Pituitary gland acts based on stimulus of Hypotalamus that secreted GnRH (Gonadotropin Releasing hormone)
The ovaries start to produce oestrogen and progesterone
breasts develop
The hips and thighs widen
Pubic and underarm hair develop
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menstrual cycle
uterus prepares for pregnancy;
fertilised egg to settle and grow into a baby.
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boys 12-15
pituitary gland produces LH and FSH, stimulate the production of the sex hormones
The testes start to produce testosterone
The voice breaks
Hair grows on the face and the body
The body becomes more muscular
The genitals develop
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