protection,
to absorb food
All the systems play a role in maintaining homeostasis but one in particular that is at the center is the nervous system.
Amphibians skin helps them breathe.
Sweat glands
yes
The skin, which is actually the moist skin of the amphibians help them to breathe in water.
SKIN!
lungs as a homeostasis organ
Vitamin D
The skin regulates body temperature. (Sweating, shivering,...)
The urinary system contains the kidneys, which are considered to be the organs of homeostasis mostly because they control the electrolyte balance in the blood, water retension in the body, and that they also play a role in maintaining blood pressure.
maintaining body temperature