Science B1 4.5 / 5 based on 2 ratings ? ScienceBiologyGCSEOCR Created by: AislingCreated on: 08-06-13 16:06 what is systolic pressure? maximum pressure the heart produces 1 of 18 what is diastolic pressure? the blood pressure between the heart beats 2 of 18 what is fitness? the ability to do physical excersice 3 of 18 what is health? being free from diseases 4 of 18 how can smoking increase blood pressure? carbon monoxide causes blood to carry less oxygen making the heart rate increase. Also nicotine increases the heart rate 5 of 18 how do you work out an EAR for protein? EAR in g= 0.6 x body mass in kg 6 of 18 how do you work out the BMI? BMI=mass in kg/(height in m)2 7 of 18 what are pathogens? disease-causing-organisms that produce symptoms of an infectious disease by damaging the body's cells or producing toxins. 8 of 18 what are depressants? alcohol, solvents, temazepam 9 of 18 what are stimulants? nicotine, ecstasy, caffinie 10 of 18 what is an hallucinogen? LSD 11 of 18 what do depressants do? block the transmission of nerve impulses across synapses 12 of 18 what does hetrozygous mean? having different alleles 13 of 18 what is geotropism? a plants response to gravity 14 of 18 what does it mean: shoots are positively phototropic? they grow towards the light 15 of 18 what does it mean: roots are positively geotropic? they grow with the pull of gravity 16 of 18 where is the majority of auxin found? in the shady part of the roots 17 of 18 what does a higher amount of auxin do? increase the length of cells. 18 of 18
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