Want this question answered?
i guess its called fluid.....
A solar heater is called a self pumping system because cold water flows down the panels by itself when hot water rises into the tank.
Gases.
blood flows by the heart pumping
Emboli
The answer is : Liquid The State of Matter flows freely is Liquid
The heart.
To assure that international trade flows smoothly and freely
Osmosis
Anything that flows freely is a liquid, -some glues flow.
The heart is responsible for pumping blood throughout the body via the circulatory system.
Electrons flow around the nucleus