Question

1. what is Respiratory system. ? 2) what is digestive system?. 3) what is nervous system?​

Answer 1

The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.


The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body


the network of nerve cells and fibres which transmits nerve impulses between parts of the body.

Answer 2

1.what is Respiratory system?

*Ans*

The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history.

2.what is digestive system?

Ans*

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

3. what is nervous system?

*Ans*

the network of nerve cells and fibres which transmits nerve impulses between parts of the body.