CAIE A-Level Biology A2 14.1.2 Homeostasis Control Principles Questions

any seven from:
1 maintain constant internal environment ;
2 despite changes in the, internal / external, environment ;
3 changes in, factor/ stimulus, detected by receptor ;
4 named factor ;
e.g. temperature / water potential / blood glucose concentration
5 impulses to CNS / input ;
6 ref. to central control / CNS, decision ;
7 impulses to effector / output ;
8 hormones to target cells
9 named effector ;
e.g. muscle / gland
10 corrective action ;
11 factor returns to set point ;
12 negative feedback ;
13 AVP ;
e.g. fluctuations around set point