Q2 of 48 Page 99

Give reason in support of your answer.

Excretion is the removal of all harmful and unwanted substances from the body. This doesn’t necessarily include just undigested and unabsorbed food. Also, excretion involves all the activities that are taking place at the cellular level. The undigested food is not directly affecting the cellular metabolism.


More from this chapter

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1

Given below is a list of substances-select the ones that need to be got rid off from the body. Glucose, excess water, amino acids, urea, carbon dioxide, excess common salt, glycogen, uric acid.

 2

Undigested and unabsorbed food which passes out is termed as excretion? Yes/No

 1

Name the following:

The tube arising from the notch of the kidney on the median side and connecting behind with the urinary bladder.

 1

Name the following:

The tube that passes the urine to the outside of the body.