Homeostasis

• Homeostasis is the process of maintaining constant internal environment in the body.
• Homeostasis is maintained by the body being able to detect any change from the set point and then change this deviation.
• Tissue and blood form the internal environment.
• 1. things that should be kept constant: Temparature, pH level, CO2 and O2 concentration , electrolytes, glucose, H2O concentration
• A major part that controls homeostasis is the negative feedback system.
• Negative feedback system: a mechanism where a change from the set point of any factor is corrected by bringing a hange in the opposite direction.
• parts of the negative feedback system include: receptor, control centre and effector
• receptor: detects deviation from set point
• control centre: send out corrective mechanisms
• effector: corrects the change