| Questions | 5 |
| Topics | Cerebellum, Moon, Proton, Third Law of Motion, Veins |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
Tides are caused by the gravitational interaction of Earth and the Moon.
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
Newton's third law of motion states that For every action, there is an equal and opposite reaction. When an object exerts a force on another object, the second object exerts a force of equal magnitude in the opposite direction on the first object.
Veins carry blood back to the heart from the body. While arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood. Like the heart, veins contain valves to prevent blood backflow.