A series of waves of contractions meant for pushing food from pharynx to stomach is called

Options

A. swallowing
B. churning
C. peristalsis
D. hiccups

Answer

To solve the question, "A series of waves of contractions meant for pushing food from pharynx to stomach is called," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for the term that describes the movement of food from the pharynx to the stomach through a series of contractions.

2. **Identify the Options**: The options provided are:
- A) Swallowing
- B) Churning
- C) Peristalsis
- D) Hiccup

3. **Analyze Each Option**:
- **Swallowing**: This is the act of moving food from the mouth to the pharynx but does not specifically refer to the contractions that push food down the esophagus.
- **Churning**: This refers to the mixing of food in the stomach but is not related to the movement from the pharynx to the stomach.
- **Peristalsis**: This is the correct term. It describes the series of wave-like muscle contractions that move food through the digestive tract, starting from the esophagus and pushing it down to the stomach.
- **Hiccup**: This is an involuntary contraction of the diaphragm and does not relate to the movement of food.

4. **Select the Correct Answer**: Based on the analysis, the correct answer is **C) Peristalsis**.

5. **Conclusion**: Therefore, the series of waves of contractions meant for pushing food from the pharynx to the stomach is called peristalsis.