Which compound is formed when `O_(2)` binds with Hb ?

Explanation

To answer the question "Which compound is formed when O2 binds with Hb?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Oxygen Transport**:
- Oxygen (O2) is transported in the blood through two primary methods:
- Dissolved in plasma (about 3% of total oxygen).
- Bound to hemoglobin (Hb) in red blood cells (about 97% of total oxygen).
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