GENERAL HISTOLOGY

Detailed explanation-1: -3. Mouth: The sea star’s mouth is located in the center of its body, underneath.

Detailed explanation-2: -Starfish move about and grip objects with thousands of little tube feet underneath each arm. An internal hydraulic system pumps sea water into or out of each foot. A few tube feet are seen here protruding from the fringe of spines that runs along each arm. Each foot ends in a white sucker that can grip a surface.

Detailed explanation-3: -Due to their tiny mouth on the underside of their body, starfish have adapted an ingenious way of eating things larger than it can fit in their mouth. They have a stomach that can digest food outside their body, so that it can fit in their mouth. This allows the food to be further broken down inside the body.