nutrients a person must obtain from food because the body cannot make them for itself in sufficient quality to meet physiological needs; also called indispensable nutrients. about 40 nutrients are currently known to be essential for human beings.
list the 6 nutrients.
carbs
fats/lipids
protein
vitamins
minerals
water
What is a nutrient?
chemical substance obtained from food and used in the body to provide energy, structural materials, and regulate agents to support growth, maint., and repair of the body's tissues. may also reduce the risk of some diseases.
organic nutrients
carbs
fats/lipids
protein
vitamins
inorganic nutrients
minerals
water
list energy yielding nutrients.
carbs
fat
protein
kcal per gram of energy yielding nutrients
carb=4kcal
fat=9kcal
protein=4kcal
kcal per gram of alcohol
7kcal
what is a kcal?
a unit in which energy is measured.
what is nutrition?
the science of the nutrients in food and their actions within the body.