The ratio of RBC to WBC in human is

Options

A. `6:1`
B. `60:1`
C. `600:1`
D. `6000:1`

Answer

To determine the ratio of red blood cells (RBC) to white blood cells (WBC) in humans, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Components**:
- RBCs (Red Blood Cells) are responsible for transporting oxygen throughout the body.
- WBCs (White Blood Cells) are part of the immune system and help fight infections.

2. **Identify the Ratio**:
- The ratio of RBCs to WBCs in humans is a numerical representation that shows how many RBCs there are for every WBC.

3. **Know the Common Ratio**:
- It is commonly accepted that the ratio of RBCs to WBCs in humans is approximately 600:1.

4. **Conclusion**:
- Therefore, we can conclude that the ratio of RBC to WBC in humans is 600:1.

### Final Answer:
The ratio of RBC to WBC in humans is 600:1.

---