The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent ...

Plants and animals are made up of cells. For sustaining the life of an organism cells plays an important role. These cells work in the form of biochemical reactions which carry out all the time. These ...

The urinary system, also known as the excretory system, allows the body to remove waste or unneeded products from the body through the urine. The urinary system can also help the body to remove excess ...