Q2 of 22 Page 251

Define Excretion.

Excretion is the process of removal of waste products which are formed in our body during different biochemical reactions as these waste products can cause harm to our body.


More from this chapter

All 22 →
2

Why the wall of artery is thick and elastic?

 2

What is the advantage of four chambered heart?

 3

Explain the excretory system of human being.

 3

Explain the structure of human heart.