Biology 1A Gcse Biology 1A 3.5 / 5 based on 7 ratings ? Human BiologyGCSEAll boards Created by: AmyCreated on: 26-06-11 17:51 what are the 3 neurones? sensory, relay, motor 1 of 16 whats the difference betweeen a sense organ and a receptor? sense organ is for example eye and a receptor is what it picks up such as light 2 of 16 what does CNS stand for ? Central nervous system 3 of 16 what is the correct path for a bee stinging you foot in a reflex action ? stimulus, receptor, sensory neurone, relay neurone, motor, effector and response 4 of 16 what four places are hormones produced from? ovaries, testes, pancreas and pitutary gland 5 of 16 what is the hormone used in the contraceptive pill ? Oestrogen 6 of 16 what are two advantages and 1 disadvantage of the pill ? two advantages: 99% effective and reduces the risk of some cancer 1 disadvatage: not 100% can still get pregnant 7 of 16 what four things does our body need to keep constant ? ion content, water content, temperature and sugar content 8 of 16 what can obesity cause? athritis, high blood pressure and diabetes 9 of 16 what is it better to have : higher HDL to LDL 10 of 16 what are the four stages of medical drug testing ? computer models, human tissues, animals and volunteers 11 of 16 what was the name of the drug that was taken for morning sickness? thalidomide 12 of 16 what can smoking in pregnancy cause? baby to be underweight and early 13 of 16 what are the two main types of pathogens ? bacteria and virus 14 of 16 what are two facts about bacteria ? make you feel ill by damaging cells and producing toxins 15 of 16 what is the name of the scientist that saved lives just by using antiseptic? ignaz semmelweiss 16 of 16
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