Card Set Information
eliminates toxins from large instestine
produces chemicals for digestion
storage tank for bile
breaks down proteins for digestion
small intestine function
stimulates pancreas to produce digestive enzymes
What are calories?
energy unit of food
What results in weight gain?
more cal. in than out
The food you eat goes to produce what?
What is metabolic rate?
determines how much ATP cells make/ how much is concerted into fat
What is the average resting human metabolic rate/
70 cal per hour 1680 per day
What factors affect your resting metabolic rate?
size, muscle, age, sex, genetic factors
Normal male body fat/ min
Normal and Min body fat for girls
What do you use to determine BMI
Does BMI chart take all factors into consideration?
What is obesity and what is used to classify a person as obese?
BMI of 30 or greater
Functions of carbohydrates in body
major source of energy for the body
where is starch found?
where is glycogen found?
What does fiber help do?
helps control cholesterol levels
Functions of proteins in the body
contain all the essential amino acis
What are essential amino acids?
What is the difference between a fat and an oil?
Functions of lipids
Lipid: Triglycerides (fat+oils)
cell membrane component
cell membrane component/sex hormones/bile
Bad, no double bonded carbons
Good, double carbon to carbon bonds exist
What are vitamins
What do vitamins do?
Can your body make vitamins?
What are fat soluble vitamins?
What is the best way to keep vitamins in food
eat raw or then steam then boil
What are minerals?
Inorganic- do not contain carbon
What do minerals do?
fluid balance, grows bones and teeth, muscle contraction, nerve impluse conduction
How are processed foods different than whole foods?
processed reduced nutritive value
How do enzymes work?
catalize and regulate metabolic reactions
molecule being metabolized
enzyme region where the substrate binds
each enzyme catalizes or workds on specific reation
What does the suffix ase mean?
the reaction they catalyze
Why do some people have intolerance to lactose?
Low on the enzyme lactase
What type of food does your body always burn first?
What is the function of insulin?
trigger cells to take up glucose
What is a dangerous way a person can increase metabolic rate?
What is a safe way a person can increase metabolic rate?
Metabolic health problems
Diabetes, Hypertension,High cholesterol, heart attack, stroke
What is the difference between type 1 and type 2 diabetes?
Type 1 needs insulin type 2 does not and starts at an older age
What is blood pressure?
force from beating of the heart on blood vessel wall
What is systolic pressure/diastolic pressure
higher # and pressure/lower # relaxed
Why does weight gain affect blood pressure
Has to pump harder
What is the difference between LDL and HDL
LDL stores cholesterol HDL removes
What is good cholesterol?
What is a heart attack?
Sudden interruption of blood supply to heart
What is a stroke?
Sudden loss of brain functions because of blocked or ruptered blood vessels