Nutrition 1 Flashcards
nutrition
study of how humans get the nutrients that we need
How do we get nutrients?
from the Sun through plants
essential nutrients
ones that we need to live but our bodies don’t produce so we have to eat them to get them
6 NUTRIENTS
water, vitamins, minerals, protein, fat, carbs
macronutrients + 4 functions
fuel, build, repair, and maintain body; carbs, fat, protein
calorie
measure of the amount of energy a food provides
micronutrients + functions
vitamins, minerals, water; support regulation and control, structural materials
water
most important nutrient
carbohydrate amount of energy
4 calories per gram
glucose
blood sugar, simplest carb
simple carbs
sugars that provide the quickest energy, not long lasting
3 monosaccharides
galactose (milk), glucose (blood sugar), fructose (fruit sugar)
3 disaccharides
maltose (two glucose), lactose (glucose + galactose), and sucrose (glucose + fructose)
complex carbs
polysaccharides: glycogen, starch, fibers; slow and sustained energy
fiber function
fill you up, cleans digestion system