What is Micturition? Explain.
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Micturition is the process by which urine is expelled from the urinary bladder out of the body through the urethra. It occurs when the bladder muscles contract and the sphincter muscles relax.
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State any two harmful effects of acid rain.
Given below is a picture of a tree. Mention the scientific phenomena occurring in the parts labelled (a), (b) and (c).
What are biomedical wastes? Give an example.
Differentiate between the functions of Urethra and Uterus.
