Bio quiz Excreation 0.0 / 5 ? BiologyCellular processesA2/A-levelOCR Created by: LordblipCreated on: 16-01-16 15:05 the removal of metabolic waste from the body Excreation 1 of 25 Waste substances that may be toxic or porduced in excess by the reactions inside cells Metabolic waste 2 of 25 Catalyses the breakdown of bilirubin Kupffer cells 3 of 25 one of the waste products from the breakdown of haemoglobin Bilirubin 4 of 25 a blood vessal that carries blood from the digestive system to the liver Hepatic portal vein 5 of 25 an excretory product formed from the breakdown of excess amino acids Urea 6 of 25 the process in which ammonia is converted to urea Ornithine cycle 7 of 25 the conversion of toxic molecules to less toxic or non-toxic molcules Detoxification 8 of 25 The functional unit of the kidney Nephron 9 of 25 a fine network of capillaries sourounded by a funnel-shaped capsule which collects the fluid and leads into the nephron glomerulus 10 of 25 useful substances are reabsorbed from the nephron into the bloodstream selective reabsorption 11 of 25 specialised cells that make up the lining of the bowmans capsule Podocytes 12 of 25 filtration at a molecular level ultrafiltration 13 of 25 microscopic folds of the cell surface membrane that increase cell surface area Microvilli 14 of 25 Diffusion that is enhanced by the action os proteins in a cell membrane Facillitated diffusion 15 of 25 The flow of molecules from a region of high concentration to a region of low concentration Diffusion 16 of 25 The transport of molecules against the concentration gradient using ATP active transport 17 of 25 special proteins in the cell surface membrane that actively transport sodium and potassium ions against their concentration gradients sodium-potassium pumps 18 of 25 The control and regulation of the water potential of the blood and body fluids Osmoregulation 19 of 25 the coiled portion of the nephron between the loop of henle and the collecting duct distal convoluted tubule 20 of 25 released from the pituitary gland and acts on the collecting ducts in the kidneys to increase the reabosrption of water ADH 21 of 25 receptor cells that monitor the water potential of the blood osmoreceptors 22 of 25 a part of the brain that contains neurosecretory cells and varius receptors that monitor the blood hypothalamus 23 of 25 specialised cells that act like nerve cells but release a hormone into the blood Neurosecretory cells 24 of 25 is the hind part of the pituitary gland which releases ADH posterior pituitary gland 25 of 25
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