Identify the following parasites and the phylum to which they belong.
It lives in the intestine of humans and causes vomiting.

Explanation

### Step-by-Step Solution:

1. **Identify the Parasite**: The question specifies a parasite that lives in the intestine of humans and causes vomiting. The parasite that fits this description is known as pinworms.

2. **Scientific Name**: The scientific name of pinworms is Enterobius vermicularis. This is important for classification and understanding the organism better.

3. **Effects on the Human Body**: Pinworms primarily affect the colon and rectum. Their presence can lead to digestive issues, which in turn can cause symptoms such as vomiting.

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