1.

Fill in the blanks.(i) The main excretory product in human beings is..........(ii) Sweat contains water and ..........(iii) Kidneys eliminate the waste materials in the liquid form called ...........(iv) Water reaches great heights in the trees because of suction pull caused by ...........

Answer»

(i) The main excretory product in human beings is urea. 

(ii) Sweat contains water and salts. 

(iii) Kidneys eliminate the waste materials in the liquid form called urine. 

(iv) Water reaches great heights in the trees because of suction pull caused by transpiration.



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