Answer:
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which is the visible spectrum that is visible to the human eye and is responsible for the sense of sight.
Is an organism in its earliest stage of development. In humans, this is the stuff and defined as the developing organism from the fourth day after fertilization to end of the week. After that unborn baby is usually referred to as the fetus.
Controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities.
