Topic 3 - Thermoregulation and Homeostasis

What is homeostasis

It is the regulation of internal conditions of a cell or organism

What are the uses of ethene

Fruit ripening

Cell division

Why does the body need to maintain optimum internal conditions

For cell and enzyme function.

What is thermoregulation

Body temperature is monitored and controlled by the thermoregulatory centre in the hypothalamus ( structure within the brain)

What is Vasoconstriction?

What happens when your are cold?

What happens when you are hot