Biology
Fill in the blanks:
- Nitrogenous wastes in urine are in the form of …………… and …………… .
- The unit of human kidney is called …………… .
- Evaporation of sweat from skin surface has …………… effect.
Excretory System
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Answer
- Nitrogenous wastes in urine are in the form of urea and uric acid .
- The unit of human kidney is called nephrons .
- Evaporation of sweat from skin surface has cooling effect.
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