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Slide 1

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Nervous Response - Reflex Arc
Stimulus
Detected by
Nerve Impulse
skin receptors Coordinator
Sensory Brain and
Neurone Spinal Cord
Response = Move
your foot!
Effector
muscle Motor Neurone
contracts
Nerve Impulse…read more

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Slide 3

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Menstrual Cycle
1. FSH Pituitary Gland Egg Matures
Oestrogen produced
1. Oestrogen Ovaries Stops FSH
Stimulates LH
1. LH Pituitary Gland Egg is released…read more

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Slide 5

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Fertility and Contraception
Contraceptive pills = Oestrogen = Stops FSH so
no eggs mature (no eggs no baby)
Fertility Drugs = FSH = Lots of eggs mature
(can cause multiple births)…read more

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