b1 0.0 / 5 ? BiologyDNA and inheritanceHealthy livingHomeostasisMedicine and drugsNervous system, hormones and behaviourVariation and reproductionRespiration and exerciseGCSEOCR Created by: isabellespringCreated on: 24-10-16 14:51 difference between non essential and essential acids non essential can be made by the body, essential have to be taken in 1 of 50 thrombosis? blood clot 2 of 50 difference between healthy and fit healthy free from disease, fit copeing with environment 3 of 50 protein defficiency kwashiorkor 4 of 50 first class protein? animal origin, meat, contain all essential aamino acids 5 of 50 2nd class protein plant origin 6 of 50 EAR 0.6 x mass 7 of 50 benign tumour that stays in one place 8 of 50 malignant grow into other parts 9 of 50 malaria cast vector-mosquito, host- human, malaria- parasites, 10 of 50 why ill symptons? pathogens are producing toxins whilst damaging cells, before WBC can destroy them 11 of 50 WBC type 1 engulf and digest 12 of 50 WBC type 2 produce antibodies, attack patogens and lock onto antigens 13 of 50 natural immunity once you have the antibodies, the body being able to make them again quickly 14 of 50 vaccination getting injected with a weakened disease, WBC make antibodies for future natural immunity 15 of 50 passive immunity antibodies injected into body, quick response, snake venom 16 of 50 antibiotics bacteria and fungi 17 of 50 antiviral viruses 18 of 50 blind trial volunteers dont know, - psyco effects, +fair comparison 19 of 50 double blind trial volunteers and doctors dont know - all bias, doctors cant influence response 20 of 50 central nervous system CNS brain and spinal cord 21 of 50 periphral nervous system PNS neurones and receptors 22 of 50 sensory neurone receptors to brain 23 of 50 relay neurone brain and spinal cord 24 of 50 motor neurone brain to muscles and glands 25 of 50 reflex actions stimulus, receptor,sensory neurone,relay neurone,motor neurone,effector, response 26 of 50 voluntary actions stimulus, receptor, sensory neurone,brain,motor neurone, effector, response 27 of 50 iris controls amount of light entering eye 28 of 50 cornea refacts light 29 of 50 lens focus light to converge on retina 30 of 50 retina light sensitive neurones 31 of 50 optic nerve pass nerve impulses from retina to brain 32 of 50 ciliary muscles change shape of lense 33 of 50 suspensory ligaments attatch ciliary muscles to lens 34 of 50 long sight convex lense needed 35 of 50 short sight concave lense needed 36 of 50 stimulent effects on the synapses increase the no. of neuro transmissions across the synapse 37 of 50 depressant effect on the synapses bind with receptor molecules, block transmissions of the impulse 38 of 50 vasodilation blood vessels widen flowing closer to skin, heat exchange with th environment 39 of 50 vasoconstriction blood vessels narrow, less heat exchange with environment 40 of 50 why shiver muscles need energy from respiration, heat is a byproduct of resp. 41 of 50 why sweat? evapouration requires heat energy therefor taking it away from the skin 42 of 50 insulin regulates blood sugar levals by converting glucose into glucogen 43 of 50 auxins destroyed by sunlight, grow in tips 44 of 50 chromosomes 23 pairs, genes 45 of 50 gametes sex cells, half of other chromosomes 46 of 50 alleles different versions of a gene 47 of 50 homozygous two same alles in a chromosome 48 of 50 hetrozygous different alleles in chromosomes 49 of 50 monohybrid when characteristic is detemined by one pair of alleles. eye colour 50 of 50
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