B3 3.1 Controlling internal conditions

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what is meant by homeostatis?
keeping the conditions within a narrow range
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what must be controlled?
temperature, blood glucose, water and ion content and levels of waste products
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name the two waste products that have to be removed from the body
carbon dioxide and urea
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how is carbon dioxide removed
carbon dioxide produced by respiration is removed via the lungs when we breathe out
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how is urea removed?
urea proudced by the liver from the breakdown of amino acids, removed by the kidney in the urine and temporarily stored in the bladder
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where is urea made?
in the liver
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Card 2

Front

what must be controlled?

Back

temperature, blood glucose, water and ion content and levels of waste products

Card 3

Front

name the two waste products that have to be removed from the body

Back

Preview of the front of card 3

Card 4

Front

how is carbon dioxide removed

Back

Preview of the front of card 4

Card 5

Front

how is urea removed?

Back

Preview of the front of card 5
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