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Excretion is elimination of metabolic waste, which is an essential process in all organisms. In vertebrates, this is primarily carried out by the lungs, kidneys, and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. For example, placental mammals expel urine from the bladder through the urethra…
Products, Processes across various types of life & Overview
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waste body metabolic water process wastes cell excrete example excretory products urea plants animals organisms uric acid mammals chemical reactions
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| cellular respiration | instance of | through the anus during defecation.During activities | 0.80 | text |
| several chemical reactions take place in the body | instance of | through the anus during defecation.During activities | 0.80 | text |
| carbon dioxide | instance of | These chemical reactions produce waste products | 0.80 | text |
| water | instance of | These chemical reactions produce waste products | 0.80 | text |
| salts | instance of | These chemical reactions produce waste products | 0.80 | text |
| urea | instance of | These chemical reactions produce waste products | 0.80 | text |
| uric acid | instance of | These chemical reactions produce waste products | 0.80 | text |
| Excretion | related to Animals | In | 0.60 | section |
| Excretion | related to Animals | Arachnida | 0.60 | section |
| Excretion | related to Animals | The | 0.60 | section |
| Excretion | related to Animals | Aquatic | 0.60 | section |
| Excretion | related to Animals | This | 0.60 | section |
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