IB Biology Topic D3.3 Homeostasis (SL/HL) covers syllabus content as part of Topic D3: Organisms under Theme D: Continuity and Change. Use these notes, questionbank, videos, flashcards, and lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
D3.3 Homeostasis is part of Topic D3: Organisms under Theme D: Continuity and Change.
What this topic covers
D3.3.1 Homeostasis
D3.3.2 Negative feedback loops in homeostasis
D3.3.3 Regulation of blood glucose as an example of the role of hormones in homeostasis
D3.3.4 Physiological changes that form the basis of type 1 and type 2 diabetes
D3.3.5 Thermoregulation as an example of negative feedback control
D3.3.6 Thermoregulation mechanisms in humans
D3.3.7 Role of the kidney in osmoregulation and excretion (HL)
D3.3.8 Role of the glomerulus, Bowman’s capsule and proximal convoluted tubule in excretion (HL)
D3.3.9 Role of the loop of Henle (HL)
D3.3.10 Osmoregulation by water reabsorption in the collecting ducts (HL)
D3.3.11 Changes in blood supply to organs in response to changes in activity (HL)