Question

in. we use hydrochloric acid options respiration , excretion , digestion and fermentation​

Answer 1

Answer:

digestion

hope this answer helps you

Answer 2

Answer:

Digestion

Explanation:

Digestive Processes. The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth. :)