Define hunger.

Define satiation.

Define satiety.

Give the site and action on appetite of; Ghrelin, Peptide YY, Pancreatic Polypeptide and Leptin

Give some reasons for decreased ghrelin release when we eat. Also give the nervous pathway the effect of ghrelin is passed down.

When PYY was measured in a fasted state what was found?

What hormone would increase after we have eaten a fatty meal?

What happens to leptin levels over time. Why is this?

What part of our brain is responsible for combining the signals from all round out body to control appetite?