what are the four factors that determine how many nutrients the body needs?
age
size
gender
activity level
what is a calorie?
the unit used to measure the heat energy in food
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what are the four factors that determine how many nutrients the body needs?
age
size
gender
activity level
what is a calorie?
the unit used to measure the heat energy in food
how many calories are in fat per gram?
9 cals/gram
how many calories are in protein per gram?
4 cals/gram
how many calories are in carbohydrates per gram?
4 cals/gram
whar are the six basic types of nutrients?
carbohydrates
proteins
fats
vitamins
minerals
water
what are nutrients?
chemicals from food that help your body function
what is nutrition
science that studies nutrients+ how the body uses the food we eat
what are carbohydrates
starches+sugars- give your body energy
what are simple carbohydrates? give an example
sugars
fruit
what are complex carbohydrates? give an example
starches
potatoes
what are proteins (2)
things that the body uses to build new cells+ repair injured ones
made with amino acids-what makes living cells
what are complete proteins? +give example
have all essential amino acids
animal/dairy products
what are incomplete proteins 2 +give example
don’t have one or more of the essential amino acids
from plant sources; nuts/dry peas
what are fats?
nutrients that give essential fatty acids: useful for healthy skin, healthy cells, etc.
what are vitamins
chemical mixtures found in many types of food
what do vitamins do?
help carbohydrates, proteins, fats, and minerals
what are the four things minerals become a part of?
cells
fluids
muscles
bones
what are two health benefits of good nutrition?
look+ feel your best
grow strong
what are three psychological benefits that food can meet?
a sense of belonging
security
enjoyment
what psychological need is being met when family members eat together?
a sense of belonging
which food category gets the least advertising+ why
fruits+ vegetables
because they're not fun to eat+can be expensive
what is culture
shared customs, beliefs, traditions of a group of people
how does culture relate to food choices?
because every culture has a different way of preparing, serving, and eating food
what is a resource
what is available to you
what are three resources that are important when getting food?
money
time
ability
what are three aspects of culture
geography
heritage
religion
what is one example of a cultural food custom?
cultural etiquette- eating food with chopsticks
what is wellness
encouraging people to take responsibility for their health
food science
the study of food+ its preparation
ergonomics +example
the study of how to make life more comfortable example:sliding keyboard to help with carpal tunnel
what are four personal influences on food choices
lifestyle
values
priorities
emotions
why is wellness important?
develop good habits
good habits= good health
what are four social influences on food choices
culture
the media
family
friends
how does food help meet physical needs
helps our bodies function
what is one thing that could happen when your body gets too much of a nutrient?
you poop it out
how is food preparation related to science?
food undergoes physical+chemical reactions, which is chemistry
what are two ways in which food may be different from one culture to the next?
dietary laws
cultural etiquette
what is cholesterol+ why is too much of it bad for you?
fat like substance
heart disease
what does saturated fat do
raise cholesterol in blood
what does unsaturated fat do
lower cholesterol in blood
why do most people not need supplements?
because if you eat the range of food that you’re supposed to, you’ll get the nutrients you need