Question

What is the difference between urine and urea?

Answer 1

Urine:

1. It is a watery, yellowish fluid that is held in the bladder and expelled through the urethra.
2. It includes nitrogen molecules like as urea and other waste products removed from the blood by the kidneys, and it is one of the key processes by which the body removes excess water and salt.

Urea:

It is a colorless crystalline substance that is secreted in urine as the major nitrogenous breakdown product of protein metabolism in animals.

Difference between urine and urea:

Urine	Urea
1. Urine is generated in the kidneys as a result of blood filtration.	1. Urea is the most common nitrogenous waste removed by urine.
2. It is high in urea, water, and mineral salts.	2. It is a component of urine.
3. Urine is a liquid that humans (and other animals) excrete.	3.Urea exists in a solid form.
4. After filtration, secretion, and reabsorption, the nephrons produce urine.	4. Urea is first formed in the liver from ammonia as a byproduct of nucleic acid and amino acid metabolism.
5. It is smelly in nature.	5. It is odourless.