Which one of the following arises from endoderm?

Options

A. Eye
B. Pigment cells
C. Heart
D. Lungs

Answer

To determine which structure arises from the endoderm, we need to understand the three primary germ layers formed during embryonic development: ectoderm, mesoderm, and endoderm.

### Step-by-Step Solution:

1. **Identify the Germ Layers**:
- **Ectoderm**: This is the outermost layer. It gives rise to structures such as the epidermis (skin) and the nervous system (including the neural plate).
- **Mesoderm**: This is the middle layer. It forms connective tissues, blood, and various organs such as the heart.
- **Endoderm**: This is the innermost layer. It primarily forms the internal organs, including the digestive tract and respiratory system.

2. **Analyze the Given Options**:
- **Option I**: Refers to the neural plate, which is part of the central nervous system. This arises from the ectoderm.
- **Option II**: Refers to pigmented cells, which are found in the skin. The skin is derived from the ectoderm.
- **Option III**: Refers to the heart, which is a muscular organ involved in circulation. The heart arises from the mesoderm.
- **Option IV**: Refers to the lungs, which are internal organs involved in respiration. The lungs arise from the endoderm.

3. **Conclusion**:
- Among the options provided, the only structure that arises from the endoderm is the **lungs**.

### Final Answer:
**Lungs** arise from the endoderm.

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