What is the shape of muscle and skin cells in the human body?

Explanation

### Step-by-Step Solution:

1. **Identify the Types of Cells**: The question asks about the shapes of muscle and skin cells in the human body. We need to focus on these two types of cells.

2. **Shape of Muscle Cells**: Muscle cells in the human body are described as spindle-shaped. This means they are elongated and tapered at both ends, resembling a spindle.

3. **Understanding Skin Cells**: Skin is the largest organ of the body and consists of three main layers: the epidermis, dermis, and subcutaneous layer.

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