If there is no excretion system in our body, we cannot live. There are many types of chemical reaction embodied in all livings body. Its help all of the living beings to lead a healthy life.
The main organs of excretion system of human beings is “kidney”. It reduced nitrogen based garbage and spare acid from human body.
Excretion system is a process of reducing nitrogen based garbage and spare acid from human body and which organisms help in the excretion system it is called excretion organs. Kidney is the main organ of this excretion system.
Every single human have two kidney in their body. It placed in back side and with the backbone of the body. Its colour is some what red. It has two sidewalls. One sidewall is convex and another is concave. We called the lap of concave side “hilus”. Two urethra come from two kidney. It is funnel-shaped. Our kidney is surrounded by fibres cover. It is known as renal capsule.
Very informative dear