Question

Write down at each of the steps of the digestive path the type of change occurring (physical or chemical).

- ingestion
- propulsion
- mechanical breakdown
- elimination
- absorption
- chemical digestion

Answer 1

Answer:

Ingestion: chemical
Propulsion: both
Mechanical breakdown:
Physical digestion is the mechanical breakdown of food. So, chemical (?)
Elimination: chemical
Absorption: both
Chemical digestion: chemical

Answer 2

Ingestion = Chemical

Propulsion = don't know...

Mechanical breakdown = Chemical

Elimination = chemical

Absoption = both

Chemical degestion = chemical