Nerve cells are responsible for transmitting signals in the nervous system.

Fuel cells are a clean and efficient source of energy.

The air cells in the lungs help with oxygen exchange.

Photoelectric cells are used in solar panels to convert sunlight into electricity.

The authorities are on high alert for any signs of sleeper cells in the city.

Leydig cells are responsible for producing testosterone.

The scientist observed the behavior of the half cells in the experiment.

The half-cells are connected by a salt bridge.

Tracheid cells are responsible for water transport in plants.

The absorption cells are used to measure the concentration of gases.