Question

In the given diagram, what does a represent __________________.

• A. Ventral vessel
• B. Dorsal vessel
• C. Heart
• D. Lateral vessel

Answer 1

The correct option is B Dorsal vessel

In the given diagram, it represents the earthworm’s dorsal vessel. The earthworm has a closed vascular system with blood vessels. The dorsal vessel in the first thirteen segments acts as a distributing vessel and extends up to the cerebral ganglion. It gives off branches that supply blood to the anterior regions of the body.

So, the correct answer is ‘dorsal vessel’. The correct option is B.