What is anoxia or asphyxiation ?

Explanation

### Step-by-Step Solution:

1. **Definition of Anoxia**:
- Anoxia is defined as an extreme form of hypoxia. Hypoxia refers to a condition where there is a deficiency of oxygen in the tissues.

2. **Occurrence of Anoxia**:
- Anoxia occurs when a specific part of the body, such as the brain, receives a significantly reduced amount of oxygen. In severe cases, anoxia can happen when the body does not receive any oxygen at all.

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