Give the scientific name of the parasite that causes malignant malaria in humans. At what stage does this parasite enter the human body? Trace its life cycle in human body.

Explanation

### Step-by-Step Solution

1. **Scientific Name of the Parasite**: The parasite that causes malignant malaria in humans is called **Plasmodium falciparum**.

2. **Stage of Entry into the Human Body**: The parasite enters the human body in the form of **sporozoites**. This occurs when a female Anopheles mosquito bites a human and injects the sporozoites into the bloodstream.

3. **Life Cycle in the Human Body**:
- **Infection Initiation**: After entering the bloodstream, sporozoites travel to the liver (hepatocytes) where they multiply.
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