Q3 of 41 Page 206

What are the major constituents of urine?

The urine is made up of a number of constituents. It is an aqueous solution mainly composed of water (95%). It also consists of some organic and inorganic compounds. Other constituents include small amounts of urea, creatinine and some dissolved ions such as sodium, potassium and chloride.


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1

Name the excretory organs in unicellular organisms.

 2

Where is the urine produced by kidneys gets stored?

 4

State the process by which chemicals from the blood enter the dialysing fluid?

 5

Name the substance which is present in the blood, but not in the urine of a healthy person?