Question

Define-
1.Digestive System.
2.Respiratory System. ​

Answer 1

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 process of digestion has three stages.

Answer 2

Explanation:

Human digestive system consists of the gastrointestinaltract plus the Accessory organs of digestive system.Digestion involes the breakdown of food into smaller and smaller components,until they can be obsorbed and assimilated into the body.

RESPIRATORY SYSTEM:The respiratory system is the biological system consisting of specific organs and structures used for gas exchange in animals and plants.