Question

When food is put in our mouth, the teeth cut, chew, and grind it. The gland present in the mouth secretes watery liquid A which helps to digest component B present in the food partially. This partially digested food then passes through tube C into an organ D. The inner wall of the organ D secretes mucous, hydrochloric acid, and digestive juices. What is A, B, C, and D?

Answer 1

Answer:

disting

Explanation:

uish between the properties of a solid liquid