Homeostasis

• Homeostasis is an organisms ability to regulate its internal conditions.
• Regulate the body's internal conditions:

  Internal body temp

  Blood sugar levels

  CO2 levels

  Water levels
• Its important to regulate our bodys internal conditions so that our enzymes and cells functions well.
• If conditions are not optimal, then our enzymes denature (change shape).
• When enzymes denature this reduces the enzymes ability to catalyse metabolic reactions.
• 3 parts of the control system:

  Receptors

  Coordination centre

  Effectors
• Coordination Centre - receives information from receptors and sends out instructions to effectors.
• Effector - responds to the coordination centres message by changing something in the body.
• Receptor - detects changes in the environment or inside the body.
• Effector - responds to signals sent by the coordination centre.
• Examples of effectors include muscles and glands.
• The coordination centres can be found in the brain or spinal cord.