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13 Cards in this Set
- Front
- Back
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What is excretion?
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Getting rid of waste products made by the organism
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What is excretion in plants?
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In photosynthesis plants release oxygen as a waste product.
In respiration plants release carbon dioxide as a waste product |
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What diffuses through the leaf and out of the stomata?
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Gases
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what do
the lungs excrete? skin |
CO2
sweat urea |
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label the urinary system
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What are the functions of a kidney?
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Filters blood
Removes excess water and all urea Help maintain homeostasis |
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Label the kidney
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Label the nephron
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What is filtered out of the blood in the Glomerulus into the cup of the bowman's capsule?
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H2O
salts urea glucose amino acids |
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How do these substances get out of the blood?
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Ultra-filtration
small enough to fit through filter |
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What remains in the blood and is never filtered out?
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proteins and blood cells
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What substances are reabsorbed into the blood and why? and how does this happen?
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Some H2O, all glucose, amino acids and some salts
because they are useful and needed |
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What is ADH?
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ADH controls water content - increases the permeability of the kidney tubules to water
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