Question
Differentiate between:
(i) Ingestion and digestion
(ii) Ingestion and egestion.
Solution
(i)
|
Ingestion |
Digestion |
|
1. The process by which organism takes in the food is called ingestion. |
The process by which complex food is mechanically and chemically broken down into simpler molecules, which can be absorbed, is called digestion. |
(ii)
|
Ingestion |
Egestion |
|
1. The process by which organism takes in the food is called ingestion. |
The process of removal of undigested food from the body is known as egestion. In man, undigested food is removed through the rectum and the anus. |
