Food is sucked in by Fascioda hepatica with the help of

Options

A. oral sucker
B. muscular pharynx
C. oral sucker and pharynx
D. mouth

Answer

To solve the question "Food is sucked in by Fasciola hepatica with the help of," we can follow these steps:

### Step 1: Identify the Organism
Fasciola hepatica is commonly known as the liver fluke. It is a parasitic flatworm that primarily affects the liver of its host, which is often sheep and goats.

### Step 2: Understand the Feeding Mechanism
Fasciola hepatica is an endoparasite that feeds on the host's blood, lymph, and bile. To do this effectively, it must have specialized structures to facilitate the intake of these fluids.

### Step 3: Identify the Structures Involved in Feeding
The key structures that Fasciola hepatica uses to suck in food are:
- **Oral Sucker**: This is a muscular structure that helps in attaching to the host and sucking in fluids.
- **Pharynx**: This is a muscular tube that aids in the movement of food into the digestive system.

### Step 4: Evaluate the Options
Given the options:
1. Oral sucker
2. Muscular pharynx
3. Oral sucker and pharynx
4. Mouth

The correct answer must include both the oral sucker and the muscular pharynx, as both are essential for the feeding process.

### Step 5: Conclusion
Thus, the correct answer to the question is **"oral sucker and pharynx."**

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