Which cell of blood secrete histamine, serotonin and heparin ?

Options

A. Acidophils
B. Basophil
C. Neutrophil
D. Lymphocyte

Answer

To answer the question "Which cell of blood secretes histamine, serotonin, and heparin?", we can follow these steps:

### Step 1: Understand the question
The question asks for a specific type of blood cell that is responsible for secreting three substances: histamine, serotonin, and heparin.

### Step 2: Identify the options
We need to consider the different types of blood cells that are known to exist. Common types include:
- Eosinophils
- Basophils
- Neutrophils
- Lymphocytes

### Step 3: Analyze each option
1. **Eosinophils**: These cells are primarily involved in combating parasitic infections and allergic reactions. They do not secrete histamine, serotonin, or heparin.

2. **Basophils**: These cells are known to secrete histamine, serotonin, and heparin. Histamine plays a role in the inflammatory response, serotonin is involved in mood regulation and heparin acts as an anticoagulant to prevent blood clotting.

3. **Neutrophils**: These cells are the most abundant type of white blood cells and are primarily involved in fighting infections. They do not secrete the substances mentioned in the question.

4. **Lymphocytes**: These cells are crucial for the immune response and are responsible for producing antibodies. They do not secrete histamine, serotonin, or heparin.

### Step 4: Conclusion
Based on the analysis, the correct answer is **Basophils**, as they are the blood cells that secrete histamine, serotonin, and heparin.

### Final Answer
The cell of blood that secretes histamine, serotonin, and heparin is **Basophils**.

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