Master Homeostasis and Feedback Systems fast ⚡ – clear explanations, OCR-aligned.
You’ll cover
• The principles of homeostasis and how the body maintains stable internal conditions.
• Typical internal conditions that are regulated within narrow limits in humans.
• The mechanism of negative feedback and how receptors, control centres and effectors interact.
• Examples of negative feedback in regulating blood glucose and blood water potential.
• The roles of different receptors and effectors involved in maintaining homeostasis.
• How positive feedback operates and why it is less common in biological systems.
What’s included
• Table outlining typical internal conditions maintained by homeostasis.
• Diagram showing the position of the hypothalamus in the brain.
• Flow diagram illustrating the stages of negative feedback.
• Table summarising the components and roles involved in negative feedback systems.
• Diagram showing negative feedback control of blood water potential.
• Diagram illustrating responses to high and low blood water potential in the body.
• Table outlining examples of receptors involved in homeostatic processes.
• Table summarising examples of effectors involved in homeostatic control.
• Table outlining examples of positive feedback.
• Diagram illustrating positive feedback during labour.