Homeostasis Basics (B1) 0.0 / 5 ? BiologyHomeostasisGCSEAQA Created by: puntm003Created on: 16-02-14 12:50 Ion Content Ions are taken into the body by food and then absorbed into the blood If there are too many of any kind of ion they will need to be removed Some ions can be lost in sweat and the kidneys will remove the excess from the blood- then it is removed from the body in urine 1 of 4 Blood Sugar Eating food containing carbohydrates puts glucose into the blood from the gut Normal metabolism of cells removes glucose from the blood If you do a lot of vigorous exercise a lot more glucose is removed Insulin, which is a hormone, helps to maintain the right level of glucose in the blood This means the cells get a constant supply of energy 2 of 4 Water Level Water is taken into the body through food and drink It is lost through sweat, breath and urine On a cold day you don't sweat as much so you'll produce more urine, which will be pale as the waste is more diluted On a hot day you will sweat a lot so you'll produce less urine, which will be a deeper colour as the waste is more concentrated When you're exercising you will lose more water through your breath because you breathe faster when exercising 3 of 4 Body Temperature All enzymes work best at a certain temperature Enzymes in the human body work best at 37 degrees C The brain acts as a thermostat It's sensitive to blood temperature in the brain It also recieves messages from the skin that provides information about skin temperature 4 of 4
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