Verified answer

1. Mouth — Ingestion and digestion

• This is where the initial digestion takes place in which the food is broken down to smaller pieces through mechanical digestion.

2. Small intestine — Absorbtion, digestion, and assimilation

• Most of the nutrients absorbed into the blood stream happened in the small intestine. Fats and lipids also completes their digestion in the small intestine through chemical digestion.

3. Large intestine — Absorbtion and digestion

• The major site where the water and electrolytes such as Na, Cl, and K were absorbed. Large intestine is also responsible for digesting the remaining materials from small intestine.

4. Anus — Elimination

• Passageway of fecal materials and this is where the elimination of waste takes place.

5. Stomach — Digestion

• The temporary storage of food and this is where the chemical digestion starts by mixing chemicals (gastric juices) and enzymes.