Gizzard in Pheretima is an organ

Options

A. that secretes slime
B. for absorption of digested food
C. for excretion
D. for crushing food

Answer

### Step-by-Step Solution:

1. **Understanding the Gizzard**: The gizzard is a specialized organ found in certain organisms, including the earthworm Pheretima. It is located in the digestive tract.

2. **Location of the Gizzard**: In Pheretima, the gizzard is found in the 8th segment of the esophagus. It is a modification of the esophagus that becomes dilated and muscular.

3. **Structure of the Gizzard**: The gizzard is oval-shaped and is composed of circular muscles. This muscular structure allows it to perform mechanical digestion.

4. **Function of the Gizzard**: The primary function of the gizzard is to grind and crush food. It acts as a grinder, breaking down food particles into smaller pieces to facilitate digestion.

5. **Conclusion**: Based on the information, the gizzard in Pheretima is an organ that is specifically used for crushing food.

### Answer: The gizzard in Pheretima is an organ for crushing food.

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