5. Why is sweating advantageous for a person?
6. Write the characteristics and normal constituents of urine.
7. Name any two abnormal conditions of human excretory system and write their cause.
Answers
Explanation:
1) Sweating helps cool down the body. Water is released through glands in the skin, evaporates off the skin and the body is cooled. During exercise, muscles heat up more, so more sweat is needed.
2)
Answer:
Ans5
Sweating helps cool down the body. Water is released through glands in the skin, evaporates off the skin and the body is cooled. During exercise, muscles heat up more, so more sweat is needed.
Ans 6
Urine is an aqueous solution of greater than 95% water. Other constituents include urea, chloride, sodium, potassium, creatinine and other dissolved ions, and inorganic and organic compounds. Urea is a non-toxic molecule made of toxic ammonia and carbon dioxide.
Ans 7
Just like all other systems in our bodies malfunction so does the malfunction. It is in fact estimated that nearly 17% of the urban population in India is suffering from some form of kidney disease, such as kidney stones, kidney failure etc. Let us take a look at the various disorders of the excretor
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