Embedded Files
Guiding questions
Guiding questions
How are constant internal conditions maintained in humans?
What are the benefits to organisms of maintaining constant internal conditions?
Linking questions
Linking questions
For what reasons do organisms need to distribute materials and energy?
What biological systems are sensitive to temperature changes?
Syllabus statements
Syllabus statements
D3.3.1 Homeostasis as maintenance of the internal environment of an organism
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
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D3.3.7 AHL Role of the kidney in osmoregulation and excretion
D3.3.8 AHL Role of the glomerulus, Bowman’s capsule and proximal convoluted tubule in excretion
D3.3.9 AHL Role of the loop of Henle
D3.3.10 AHL Osmoregulation by water reabsorption in the collecting ducts
D3.3.11 AHL Changes in blood supply to organs in response to changes in activity
Resources used in class
Resources used in class
The power point presentation and the accompanying student notes are used as resources in class - together with activites, discussion, simulations and experiments.
1. D 3.3 SL Homeostasis - student notes.pdf1. D 3.3 HL Homeostasis - student notes.pdfPage updated
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