They expel water from within, setting up the suction that occurs when their doors open to a touch of their sensitive hairs.

The CV, as its name suggests, expels water out of the cell by contracting.

Its open top was presumably used to expel water that had passed through the sponge cells and been filtered for nutrients.

Retrogradation can expel water from the polymer network.

She has also proven resistant to the effects of drowning, being capable of expelling water from her lungs even when unconscious.

This sessile filter feeder can expel water when threatened, leading to the name "sea squirt."

Cilia on the other two septa expel water.

Around 170 meters from the base of the dam, three 14.5m discharge tubes expel water that has passed through the machine room's turbines.

These organs expel water from the body, helping to maintain osmotic balance.