Biology-GCSE Year 9- Science GCSE, Biology Unit B1b Topic 3: Electrical and Chemicle Signals 1.5 / 5 based on 2 ratings ? BiologyGCSEAll boards Created by: Kayleigh RylanceCreated on: 27-01-11 17:03 What happens on the 14th day of the Menstrual Cycle The egg is released from ovarie 1 of 7 what neurone takes the impulses to the muscle or glands Motor Neurone 2 of 7 What happens to the lens when your looking at a distant object? Thinner and Longer 3 of 7 What does oestrogen do? Causes the usurus lining to thicken 4 of 7 What does the optic nerve do? Carries impulses via sensory nuerones to brain 5 of 7 The brain and the spinal cord is referred to as central nervous system 6 of 7 What is a receptor? a sense organ which recieve informatiom 7 of 7
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