Question

Urea synthesis takes place primarily in liver because

Answer 1

the cycle occurs in ureotelic organisms
the urea cycle converts highly toxic ammonia to urea for excretion
the urea takes place primarily in the liver and,and lesser to extent , in the kidneys

Answer 2

It is a well-known fact that the urea cycle is an essential cycle of various biochemical reactions which produces urea content from the ammonia.

It happens in the ureotelic organisms.

Also, this urea cycle effective converts the toxic ammonia content to urea for simple excretion.

This cycle usually takes place in the human liver as well as, to the fewer extents, in human kidneys.