Homeostasis and the Nervous System

• Explain how negative feedback help to maintain a stable internal environment?

  When an something that is usually stable drops under or over what it should be, the body aims to increase or decrease that feature to stabilise it
• What makes up the central nervous system and what does it do?

  Brain and spinal cord.

  Controls body functions, processes information, and coordinates responses.
• What is a synapse?

  A synapse is a junction between two nerve cells where information is transmitted.
• What is the purpose of a reflex action?

  To protect the body and reduce the amount of pain and damage the body would sustain due to a stimulus