Biology - Osmoregulation 0.0 / 5 ? BiologyHomeostasisGCSEAQA Created by: LunaShomeiRoseCreated on: 08-12-18 16:49 What is osmoregulation? control of water balance and mineral ions in body 1 of 13 Why is water important in the body? maintain cells shape, allows molecules in cell to move to react 2 of 13 Why do we need to control balance? if too much water is gained/loses by osmosis, cells don't function efficiently and can become damaged 3 of 13 For red blood cells, if they lose too much water, what happens? lose shape, molecules inside cell can't move around, can't function properly 4 of 13 What if too much water was gained? they'd burst (damaged!) 5 of 13 By __haling moist air leaves lungs, causing body to lose water - uncontrollable exhaling 6 of 13 Water, mineral ions and __ is lost through skin when sweating - uncontrollable Urea 7 of 13 The k___ loses water and excess mineral ions as urine to maintain balance in body kidney 8 of 13 When body digests ___ it results in excess amino acids which the body can' t use/store (body must get rid of them) protein 9 of 13 In the __, amino acids are deaminated (changed in some way) to form ammonia liver 10 of 13 Ammonia is toxic to body so it's converted to ___ in liver urea 11 of 13 Urea is also toxic but unlike ammonia, body can safely get rid of it. True? yes 12 of 13 Urea is transported to the ___ where it's filtered out as urine kindeys 13 of 13
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