- The environment around you is constantly changing. A change in the environment of an organism is called a stimulus. Humans and other animals need to respond to a stimuli in order keep themselves in good conditions.
- The Nervous system detects and reacts to the stimuli.
- The Nervous System is made up of different parts.
- The Central Nervous System (CNS) consists of the brain and the spinal chord. The CNS is connected to the body by sensory neurons- these make up the peripheral nervous system. Sensory Neurons carry impulses from the receptors to the CNS…