bio exam reivision 0.0 / 5 ? BiologyexamUniversityAll boards Created by: zzidmbizzCreated on: 15-01-17 20:24 Where is bile created and what is it used for? Created in liver, stored in gallbladder. Used to emulsify fats. 1 of 30 What does emulsify mean? It means 'to make soluable in water' 2 of 30 What does the pancreas produce? Digestive enzymes, bicarbonate, insulin 3 of 30 What is the pharynx The cavity between the mouth and oesophagus 4 of 30 What is the oesophagus The tube that carries food to the stomach 5 of 30 The enzymes from the pancreas travel to the small intestine and do what? Digest protein, carbs and fats. 6 of 30 What does the liver store? Glucose 7 of 30 What does the liver break down? Haemoglobin 8 of 30 What does the large intestine absorb? Water, vitamins. 9 of 30 What is homeostasis? Regulation of the internal environments 10 of 30 Give and example of positive feedback Gastric secretions when we smell food, so acid levels, digestive enzymes rise. 11 of 30 Give and example of negative feedback Blood pressure drops, heart rate increases. 12 of 30 The endocrine system has NO glands? False 13 of 30 The Endocrine system secretes hormones? True 14 of 30 A hormones allows for communication between what? Tissue and organ 15 of 30 Steroid hormones bind to a receptor in the plasma membrane causing the formation of cAMP which actiaves a cascade of enzymes? False 16 of 30 Hormones are lipids? true 17 of 30 Steroid hormones can enter the cell? True 18 of 30 Describe Type 1 diabetes Usually genetic. Insulin isn't produced 19 of 30 Describe type 2 diabetes Muscles and cells do not respond to insulin. Caused by lifestyle. 20 of 30 Bicarbonate ions come from the pancreas and do what? Neutralise stomach acid. 21 of 30 Glucagon causes blood glucose levels to... Rise 22 of 30 Glycogen is what? Stores of glucose in the liver. 23 of 30 Insulin causes blood glucose levels to... Drop 24 of 30 What does the thyroid do? Produces hormones. 25 of 30 Cells need energy to... Move, reproduce, grow 26 of 30 Glycolysis break glucose into... 2 pyruvate 27 of 30 Glycolysis require oxygen? False 28 of 30 What do sensory receptors do? Detect certain types of stimuli 29 of 30 What part of the brain governs senses? Cerebral cortex 30 of 30
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