Biology - paper 1 (Organisation) 4.0 / 5 based on 5 ratings ? BiologyCells, tissues and organsGCSEAQA Created by: rosierabyCreated on: 05-05-18 11:56 What is a group of cells with a similar structure and function? Tissue 1 of 35 What are groups of tissues performing specific functions called? Organs 2 of 35 What model is used to explain enzyme activity? Lock and key 3 of 35 Where is amylase produced? Salivary glands and pancreas 4 of 35 Where is lipase produced? Pancreas and small intestines 5 of 35 Where is protease produced? Stomach, pancreas and small intestines 6 of 35 What does amylase do? Break down starch into sugars 7 of 35 What does lipase do? Break down lipids into fatty acids and glycerol 8 of 35 What does protease do? Break down proteins into amino acids 9 of 35 Where is bile produced and stored? Produced in liver, stored in gall bladder 10 of 35 What are the 2 functions of bile? Neutralise stomach acid and emulsifies fats so lipase can work efficiently 11 of 35 What is used to test for sugars? Benedict's test 12 of 35 What is used to test for starch? Iodine 13 of 35 What is used to test for protein? Biuret reagent 14 of 35 Why is the heart described as a double pump? Right side pumps to the lungs for oxygen, left side pumps around the rest of the body 15 of 35 Which blood vessel brings deoxygenated blood from the body back to the heart? Vena cava 16 of 35 Which blood vessel transports blood from the heart to the lungs to pick up oxygen? Pulmonary arterty 17 of 35 Which blood vessel transports blood from the lungs to the heart? Pulmonary vein 18 of 35 Which blood vessel transports oxygenated blood from the heart to the rest of the body? Aorta 19 of 35 Where does gas exchange take place in animals? Alveoli 20 of 35 What is the natural resting heart rate controlled by? Pacemaker cells in right atrium 21 of 35 Which device can correct irregularities in the heart rate? Artificial pacemaker 22 of 35 What are the 3 types of blood vessels? Capillaries, veins and arteries 23 of 35 Which blood vessels have the thinnest walls? Capillaries 24 of 35 Which blood vessels contain valves? Veins 25 of 35 Which blood vessels have the narrowest lumen? Arteries 26 of 35 Which blood vessels carry oxygenated blood? Arteries 27 of 35 Which blood vessels carry deoxygenated blood? Veins 28 of 35 What 4 main substances does blood consist of? Plasma, platelets, WBC, RBC 29 of 35 Which 3 main ways can treat cardiovascular disease? Drugs, mechanical devices or transplant 30 of 35 What are stents used for? Keep coronary arteries open 31 of 35 What do statins do? Reduce blood cholesterol 32 of 35 What can faulty heart valves be replaced with? Biological or mechanical valves 33 of 35 What may happen to heart valves if they become faulty? Not open properly/Develop a leak 34 of 35 What can be used whilst waiting for a heart transplant or to allow the heart to rest as an aid to recovery? Artificial heart 35 of 35
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