The volume of air left in the lungs after a normal expiration is termed as

Options

A. Residual volume
B. Expiratory Reserve volume
C. Expiratory capacity
D. Functional Residual capacity

Answer

To solve the question, "The volume of air left in the lungs after a normal expiration is termed as," we will analyze the options provided and identify the correct term.

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the specific term that describes the volume of air remaining in the lungs after a normal expiration.

2. **Review the Options**: The options provided are:
- A) Residual Volume
- B) Expiratory Reserve Volume
- C) Expiratory Capacity
- D) Functional Residual Capacity

3. **Analyze Each Option**:
- **A) Residual Volume**: This is the amount of air that remains in the lungs after a person has exhaled completely. However, it is not specifically what is left after a normal expiration.
- **B) Expiratory Reserve Volume**: This refers to the additional amount of air that can be forcibly exhaled after a normal expiration. This option does not fit the question.
- **C) Expiratory Capacity**: This is the maximum volume of air that can be exhaled after a complete inhalation. This option is also incorrect in the context of the question.
- **D) Functional Residual Capacity**: This is the volume of air remaining in the lungs after a normal expiration. This is the correct term we are looking for.

4. **Select the Correct Answer**: Based on the analysis, the correct answer is **D) Functional Residual Capacity**.

### Final Answer:
The volume of air left in the lungs after a normal expiration is termed as **Functional Residual Capacity**.

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