Answer:
ok so
Explanation:
The role is
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
The main structures are
The kidneys, large intestine, liver, skin, and lungs. They are part of the urinary system, which also includes the ureters, bladder, and urethra.
Maintaining homeostasis
Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis. Organs of excretion make up the excretory system. ... The kidneys maintain homeostasis by controlling the amount of water, ions, and other substances in the blood.
I would say the 2nd one It helps growth and repair of cells of orgasms
But your school would probably say the 3rd one It helps remove toxins from the body to maintain homeostasis
The bones of the frog have similarities to trees. The frog's bones form a growth ring every year, in which it is what the Scientists find out about the frog's age (by counting it.) The age of trees can also be find in its rings (inside the trunk.)
The general shape of the epithelial cells that are nearest
to the lumen during an empty urinary bladder of an individual is transitional
cuboidal epithelium, they are cuboidal in shape as they are relaxed and later
transition when stretched and filled with urine.