Nutritional physiology

number associated with a particular type of food that indicates the food's effect on a person's blood glucose level

chemical energy that animals (including humans) derive from food and molecular oxygen through the process of cellular respiration

biological metric

property of substances

estimate of how much a quantity of food will raise a person's blood glucose level

Satiety ( ) is a state or condition of fullness gratified beyond the point of satisfaction, the opposite of hunger. Following satiation (meal termination), satiety is a feeling of fullness lasting until the next meal. When food is present in the GI tract after a meal, satiety signals overrule hunger signals, but satiety slowly fades as hunger increases.

Number assigned to food

any process that results in a change in state or activity of a cell or an organism

way of expressing a person's daily physical activity

form of resource depletion characterized by loss of nutrients from part or all of an ecosystem