The hairs on the skin also help to control body temperature. The hairs lie flat when we are warm, and rise when we are cold. If we are too cold, nerve impulses are sent to the hair erector muscles ...

NEARLY ten years ago it was found 1,2 that adrenaline, noradrenaline and 5-hydroxytryptamine (5-HT) are present in relatively high concentrations in that part of the wall of the third ventricle ...

Conditions affecting the nervous system, such as strokes, Parkinson's disease, or multiple sclerosis, can disrupt this regulation, resulting in a low body temperature. These disorders may also ...

This lesson plan teaches students how the human body self-regulates to maintain a stable internal environment despite changes in the external environment -- a process called homeostasis. Most of the ...

These essential functions include: the heartbeat, metabolism of foods, respiration and regulation of water and body temperature. Physical activity includes all forms of movement so the vast ...