Define the following with, an example each
Essential amino acids

Explanation

### Step-by-Step Text Solution:

1. **Definition of Essential Amino Acids**:
Essential amino acids are specific amino acids that cannot be synthesized by the human body. Therefore, they must be obtained through dietary sources. These amino acids are crucial for various bodily functions, including protein synthesis, hormone production, and neurotransmitter regulation.

2. **Importance of Essential Amino Acids**:
Since the body cannot produce these amino acids, they are vital for maintaining health and supporting growth and repair of tissues. A deficiency in essential amino acids can lead to various health issues.

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