The epiglottis is a flap of cartilage that opens and closes the trachea. It is located at the root of the tongue.
A device that opens and closes a circuit is called a switch.
The part of the circuit that closes or opens a circuit is called a switch.
A photosensitive flower opens during the day and closes at night.
The internal pterygoid closes the jaw
it opens and closes
The definition of a switch is a device that closes and opens an electrical circuit.
Matalan opens at 9 am weekdays and closes at 7 pm and on Sunday, it opens at 10 and closes at 5 pm.
A plug, switch, relay, circuit breaker, contactor, transistor, whatever. What opens or closes an electric circuit is a switch.
Walsall Game opens at 9am and closes at 5;30pm, Monday through Saturday. It opens at 10am and closes at 4pm on Sundays.
opens and closes the circuit
The adductor Muscle
the adductor muscle.
It is called anthesis.
It has a shutter that opens and closes on film that is an image.
The valves open and close.
a muscle i dont know of