#B5.4.1
explain the importance of maintaining a constant internal environment in response to internal and external change
#B5.4.2
a) describe the function of the skin in the control of body temperature, including changes to sweating, hair erection and blood flow
b) describe practical investigations into temperature control of the body
PAG6
#B5.4.3
explain the response of the body to different temperature challenges, including receptors, processing, responses and negative feedback
#B5.4.4
explain the effect on cells of osmotic changes in body fluids
Learners are not expected to discuss water potential
#B5.4.5
describe the function of the kidneys in maintaining the water balance of the body, including filtering water and urea from the blood into kidney tubules then reabsorbing as much water as required
#B5.4.6
describe the effect of ADH on the permeability of the kidney tubules
#B5.4.7
explain the response of the body to different osmotic challenges, including receptors, processing, response, and negative feedback
#B5.4.8
in the context of maintaining a constant internal environment:
a) extract and interpret data from graphs, charts and tables
b) translate information between numerical and graphical forms