Number of neurotransmitters is about

Options

A. 5
B. 10
C. 30
D. 50

Answer

To answer the question regarding the number of neurotransmitters, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Neurotransmitters**: Neurotransmitters are endogenous chemicals that facilitate communication between neurons. They are often referred to as chemical messengers.

2. **Function of Neurotransmitters**: These chemicals transmit signals across synapses, which are the junctions between nerve cells. This process is crucial for various bodily functions, including neuromuscular activities.

3. **Types of Cells Involved**: The primary cells involved in neurotransmission are neurons, which can target other neurons, muscle cells, or gland cells.

4. **Counting Neurotransmitters**: Research indicates that there are approximately 50 different types of neurotransmitters identified in the human body.

5. **Evaluating Options**: Given the options provided (5, 10, 30), we can determine that none of these numbers match the identified count of neurotransmitters. The correct answer is 50.

6. **Conclusion**: Therefore, the number of neurotransmitters is about 50.

### Final Answer:
The number of neurotransmitters is about **50**.

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