ANIMAL PHYSIOLOGY
EXCRETION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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carbon dioxide
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salts
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urea
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faeces
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Detailed explanation-1: -The most important routes for excretion are urine, feces, and exhaled air. Other minor routes of excretion include milk, sweat, saliva, tears, hair, and nails.
Detailed explanation-2: -Excretion Meaning In animals, the main excretory products are: Ammonia. Carbon Dioxide. Urea.
Detailed explanation-3: -However, the chief excretory products-urea, uric acid and ammonia, differ in different organisms. Most aquatic animals are ammonotelic, meaning, they excrete ammonia. However, ammonia is not an excretory substance in humans.
Detailed explanation-4: -The main excretory organs include kidney, ureter, urinary bladder and urethra. Kidneys filter the blood and urine is the filtrate obtained. Urine passes to the urinary bladder via ureter and is expelled out of the body.