Organisation 5.0 / 5 based on 6 ratings ? BiologyCells, tissues and organsGCSEAQA Created by: LBeb01Created on: 07-05-18 15:01 What is an organ system? Group of organs, that work together to perform one function 1 of 37 What happens to enzymes at lower temperatures? Enzymes stop working because they have no energy 2 of 37 What happens to enzymes at high temperatures? Denatured 3 of 37 What happens when enzymes are outside their optimal pH? Denatured 4 of 37 What is the lock and key mechanism? Specific substance fits into enzyme 5 of 37 Where is amylase produced? In the salivary glands 6 of 37 What does amylase do? Converts startch into sugars 7 of 37 Where is lipase produced? Produced in the pancreass and small intestines 8 of 37 What do lipase do? Turns lipids into fatty acids and glycerol 9 of 37 Where is protease produced? Stomach, small intestine and pancreas 10 of 37 What does protease do? Protiens into amino acids 11 of 37 Where is the bile produced? Produced in the liver and stored in the gall bladder 12 of 37 What does bile do? Neutralises stomach acid and emulislies fats 13 of 37 What does the heart do? Pumps blood around the body 14 of 37 What do the lungs do? Gas exchange takes place 15 of 37 What does the aorta do? Pumps blood around the body? 16 of 37 What does the vena cava do? How blood gets from the body to the heart 17 of 37 What does the pulmonary Vain do? Takes oxynated blood from the lungs to the heart 18 of 37 What does the pulmonary artrey do? Takes denoxynated blood from heart to the lungs 19 of 37 What is the natual resting heart rate? 60-100bpm - when your calm 20 of 37 Why might you need an artifical pacemaker? If you have heart problems 21 of 37 What do red blood cells do? Carry oxygen around the body 22 of 37 What do white blood cells do? Apart of the immune system 23 of 37 What do platelets do? clotting the blood 24 of 37 What does plasma do? Fluid that all cells are carried around in 25 of 37 What is cardiovascular disease? Heart and/or blood vessels - build up of fatty deposites 26 of 37 What lifestyle factors can affect health? Smoking, diet, excersie and how much you drink 27 of 37 What is cancer? Uncontrollable growth of cells 28 of 37 What is a benign tumour? Lump of cells 29 of 37 What is a malignant tumour? When the lump of cells can move around the body 30 of 37 What is epidermal tissue? Covers a plant 31 of 37 What is palisade mesophyll? Long, tall cells that capture sunlight and where photosynthsis takes place 32 of 37 What is spongy mesophyll? Photosynthsis 33 of 37 What is the xylem? Carries water around plant 34 of 37 What is the phloem? Carries ions and nutrients around a plant 35 of 37 What is transpiration? Loss of water 36 of 37 How can we measure transpiration? Weight 37 of 37
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