1. Which waste materials are produced in our body through
metabolic activities?
2. How does the process of excretion take place in humans?
Answers
Answer:
1.They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism. In many animals, the urine is the main route of excretion for such wastes; in some, the feces is.
2.The human body excretes wastes in the following ways: Through exhaled air Carbon dioxide, formed after respiration, is sent out of the body with the exhaled air. Through sweat Our skin also acts as an excretory organ. It has small outer openings called sweat pores.
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Answer: This may help you
Explanation:
Which waste materials are produced in our body through metabolic activities?
=> Metabolic wastes may be separated into gases, liquids, solids, and heat. Heat, though usually not classified as a waste product, should be classified as such because it is a by-product of metabolic activity and must be eliminated to avoid harmful elevation of body temperatures in warm-blooded animals.
2. How does the process of excretion take place in humans?
=> The living body needs to remove these wastes. Excretion is the elimination of metabolic waste products from the body. The process of removal of wastes from the cells of living organisms is called excretion. The organ system responsible for the removal of wastes is called the excretory system.