The muscular contraction in the alimentary canal is known as :

Options

A. Systole
B. Diastole
C. Peristalsis
D. Metachronal

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the type of muscular contraction that occurs in the alimentary canal.

2. **Identifying Options**: The possible answers include:
- Systole
- Diastole
- Peristalsis
- Metacronal

3. **Analyzing Each Option**:
- **Systole**: This term refers to the contraction of the heart muscles. Therefore, it is not applicable to the alimentary canal.
- **Diastole**: This term refers to the relaxation phase of the heart muscles. It also does not pertain to the alimentary canal.
- **Peristalsis**: This is a series of wave-like muscle contractions that move food through the digestive tract. This option is relevant to the alimentary canal.
- **Metacronal**: This term refers to wave-like movements but is not specifically related to the contractions in the alimentary canal.

4. **Selecting the Correct Answer**: Based on the analysis, the correct answer is **Peristalsis**, as it describes the muscular contractions that push food through the alimentary canal.

5. **Conclusion**: The muscular contraction in the alimentary canal is known as **Peristalsis**.

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