Answer:An element is made up of entirely atoms while an atom is made up of at least three particles.
Explanation:
An atom is made up of protons and neutrons which stay in the nucleus and an element is composed of entirely atoms because of the atoms charge.
The answer is muscle or the muscular system.
Muscular system is made up of muscle tissue that helps move the body and move materials through the body. In simpler explanation, muscle moves you. Muscles are bundles of cells and fibers that work in a simple way. They tighten up and relax. It consists of skeletal, smooth and cardiac muscles. <span />
