Under Construction!!!!! I'm updating the Year 2 Pages as the year progresses to reflect the changes in the specs. Bear with me :)
4.6 Homeostasis (the Kidney)
Homeostasis (from Greek: ὅμοιος, "hómoios", "similar", and στάσις, stásis, "standing still") is the property of a system that regulates its internal environment and tends to maintain a stable, relatively constant condition of properties such as temperature or pH.
4.7 The Nervous System
The nervous system is the part of an animal's body that coordinates the actions of the animal and transmits signals between different parts of its body.