Fasciola hepatica lives in

Options

A. liver of sheep
B. Blood of sheep
C. Interstine of sheep
D. Spleen of sheep

Answer

**Step-by-Step Solution:**

1. **Understanding the Organism**: Fasciola hepatica is a type of flatworm, specifically a liver fluke. It belongs to the phylum Platyhelminthes.

2. **Identifying the Hosts**: Fasciola hepatica primarily infects sheep, which serve as its main host. It also has a secondary host, which is typically a snail.

3. **Life Cycle of Fasciola hepatica**: The life cycle begins when the larvae penetrate the small intestine of the sheep. From there, they create a path to enter the liver.

4. **Habitat within the Host**: Once in the liver, Fasciola hepatica resides in the liver tissue and bile ducts. It can survive in this environment for several weeks (approximately 5 to 7 weeks).

5. **Evaluating the Options**:
- **Option 1: Liver of sheep** - This is correct as Fasciola hepatica lives in the liver of the sheep.
- **Option 2: Blood of sheep** - This is incorrect; Fasciola hepatica does not live in the blood.
- **Option 3: Intestine of sheep** - This is incorrect; while it penetrates the intestine, it does not live there.
- **Option 4: Spleen of sheep** - This is incorrect; Fasciola hepatica does not inhabit the spleen.

6. **Conclusion**: The correct answer is that Fasciola hepatica lives in the liver of sheep.

**Final Answer**: The correct option is the liver of sheep.

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