Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Biology Human body
Kidneys are vital organs of the body because they help in
1
regulation of body fluids
2
regulation of acid-base balance
3
removal of metabolic wastes
4
More than one of the above
5
None of the above