The life span of human granulocytic WBC is approximately

Options

A. between 2 to 3 months
B. more than 4 months
C. less than 10 days
D. between 20 to 30 days

Answer

To determine the lifespan of human granulocytic white blood cells (WBCs), we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Types of WBCs**:
- White blood cells (WBCs) are part of the immune system and can be categorized into two main types: granulocytic and agranulocytic cells.
- Granulocytic WBCs contain granules in their cytoplasm, while agranulocytic WBCs do not.

2. **Identify Granulocytic WBCs**:
- The main types of granulocytic WBCs include neutrophils, eosinophils, and basophils.

3. **Determine Lifespan of Granulocytic WBCs**:
- Granulocytic WBCs generally have a relatively short lifespan compared to other types of WBCs.
- It is commonly accepted that the lifespan of these cells is less than 10 days.

4. **Select the Correct Option**:
- Given the options available, the correct answer regarding the lifespan of human granulocytic WBCs is "less than 10 days."

### Final Answer:
The lifespan of human granulocytic WBCs is approximately **less than 10 days**.

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