Urine formation involves:
a. glomerular filtration.
b. tubular secretion.
c. tubular reabsorption.
d. all of the above.

( D ) All of the above .

Explanation:

Urine Formation -

Kidney contains nephrons , whoes main function is excrete out unwanted substance from body , in the form of urine.

Urine formation involves three major process i.e. , Glomerular filtration , Tubular reabsorption and Tubular secretion.

Glomerular filtration -

It is the filtration process in which  blood is filtered and the nitrogenous waste and water moves inside the glomerulus.

Tubular reabsorption -

In this process, the molecules and ions gets reabsorbed into the circulatory system.

Tubular secretion -

The secretion process in which , substances like hydrogen ions , creatinine and drugs are removed from the blood and collected in the duct.

And the end product of this is the Urine.

yeet

explanation:

answer:

i believe the answer is d).

explanation:

i think this is because you are tearing apart the muscle, and then when you eat, the muscle re-heals, making itself even stronger.

edit: i put b) before but i meant to put d). sorry for the incorrect answer.