In which zone of alimentary canal, final digestion and absorption of food take place?

Options

A. Progressive zone
B. Degressive zone
C. Egressive zone
D. Ingressive zone

Answer

To answer the question regarding the zone of the alimentary canal where final digestion and absorption of food take place, we can follow these steps:

### Step 1: Understand the Zones of the Alimentary Canal
The alimentary canal is divided into several zones based on the functions they perform during the digestion process. The main zones are:

1. **Progressive Zone**: This includes the oral cavity, pharynx, and esophagus. In this zone, food is primarily moved forward and initial digestion begins, but no final digestion occurs here.

2. **Digressive Zone**: This zone includes the stomach and small intestine. It is here that the final digestion of food takes place, along with the absorption of nutrients into the bloodstream.

3. **Agressive Zone**: This zone is associated with the oral cavity where the food is mechanically broken down (mastication) and prepared for swallowing.

### Step 2: Identify the Zone for Final Digestion and Absorption
From the understanding of the zones:
- The **digressive zone** is where the final digestion occurs due to the action of digestive enzymes and acids in the stomach and small intestine.
- The absorption of nutrients also primarily occurs in the small intestine, where the digested food is absorbed into the bloodstream.

### Step 3: Conclusion
Based on the information gathered, the correct answer to the question is that the **final digestion and absorption of food take place in the digressive zone** of the alimentary canal.

### Final Answer
The zone of the alimentary canal where final digestion and absorption of food take place is the **digressive zone**.

---