Name the transport mechanisms by which absorption of digested food take place.

Explanation

### Step-by-Step Solution:

1. **Understanding Absorption**: The absorption of digested food primarily occurs in the small intestine after the food has been digested.

2. **Identifying Transport Mechanisms**: There are four main transport mechanisms through which the absorption of digested food takes place.

3. **Active Transport**:
- This mechanism involves the movement of molecules from an area of lower concentration to an area of higher concentration, which is against the concentration gradient.
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