Draw a diagram of sectional view of human ovary and label (i) Primary follicle, (ii) Tertiary follicle, (iii) Graafian follicle and (iv) Corpus luteum.

Explanation

### Step-by-Step Solution:

1. **Draw the Outline of the Ovary**: Start by sketching an oval shape to represent the human ovary. This will serve as the boundary for the internal structures.

2. **Add Blood Vessels**: Inside the ovary, draw small lines to represent blood vessels. These should be branching and can be drawn entering from the outer edge of the ovary.

3. **Draw Primary Follicles**: Inside the ovary, sketch several small circles or ovals to represent primary follicles. These should be distributed throughout the ovary.

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