Taste, smell, and texture
3 major factors that determine the way we eat
Pica
Eating dirt or clay
diet
We can only acquire essential nutrients through our _____. Our body does not manufacture them ourselves
Macronutrients
The body needs these types of nutrients in large amounts
Nutrients
substances that the body uses for energy and regulating processes
carbohydrates, proteins, fats, vitamins, minerals, and water
six classifications of nutrients:
Water and minerals
two nutrients that do not provide energy
4
How many kilocalories are protein and carbohydrates?
9
How many kilocalories is fat?
Fat
The nutrient with the highest energy source:
Protein
The nutrient that is responsible for building and maintaining structures:
Peristalsis
The longitudinal movement of food through the intestine is known as:
Segmentation
The mixing and churning of food
Chyme
Food mixed with acid
Bile
This emulsifier is needed for the digestion of fats
2
What is the PH of the stomach?
Large Intestine
The digestive system organ that contains the most bacteria
Small intestine
Most digestion and absorption of food happens here
Central Nervous System and hormones
Digestion and absorption of food is regulated by:
Absorbed
Aspirin and alcohol can be ________ directly into the stomach wall
Emulsifier
an agent that blends fats and water together
Moderation
not having too much or too little of any one type of food in the diet
Healthy eating
balancing your calorie intake with your energy expenditure
A visual representation of healthy eating
What is a food guide?
less than .05g
How many grams of fat does a product need to be considered “fat free”?
3
A product need to have less than ____ grams of fat to be considered “low-fat”
the more nutritious the carbohydrate
On a food label the greater the difference between the total carbohydrates and Total sugars…
polyunsaturated and monounsaturated fats
What are the two best fat choices?
equal
All calories are not ______
Serving size
The most overlooked item on a food label:
simple and complex
List the two main types of carbohydrates
Soft drinks
The major contributor to sugar in the United States:
glucose, fructose, galactose
The simplest form of sugar monosaccharide’s: (3)
glucagon, epinephrine, and insulin
List the three hormones that regulate blood sugar
pancreas
Insulin is produced in the:
not
Most Americans do ____ consume the recommended amount of daily fiber
Honey
This substance should not be fed to infants
Glucose
AKA “blood sugar”, this primary substance fuels the brain and the central nervous system
Mouth
Carbohydrate digestion begins in the:
Complex
these carbohydrates are made up of starch, glycogen, and non digestible fiber
Triglycerides
The largest category of lipids, make up fats and oils, is generally insoluble in water
shortest
Fats that are liquid at room temperature have the ________ carbon chains
larger
Fats that are solid at room temperature have _________ carbon chains
4-24
Lipid carbon chains range from ________ carbons in length
60%
Fats supply ____ of the body’s resting energy needs
Salmon, Soybean oil, and flaxseed oil
Name 3 rich sources of omega 3 fatty acids
provide energy, insulation, and transport vitamins
Name 3 things that fats do
Visceral Fat
This type of fat protects organs
Subcutaneous Fat
This fat is stored underneath the skin
intestinal
Fats pass through the _______ wall in the form of monoglycerides.
Olestra
Name a substitute for fat
Polyunsaturated Fat
This fat contains two or more double bonds
Straight
Trans fat has a ______ carbon chain
Bent
Mono and polyunsaturated fats have a _____ carbon chain
Hydrogenation
Produces Trans fatty acids
Water
Nearly all metabolic reactions in the body use…
2/3
How much of our body’s water is contained in the intracellular compartments?
Osmosis
The process that moves fluid through the cell membrane
Processed food
This food contributes the most sodium to the American diet
Bones
Magnesium, Phosphorus, and Calcium are all stored in your _____
healthier
Bottled water is not _____ than tap water in most cases
Osteoblasts
Cells that build bone
no
The body has ____ capacity to store spare water
more
Major minerals are those the body requires 100 milligrams or ____ per day
less than
Trace minerals are those that the body requires _____ 100 milligrams per day
outside
Most sodium lies _____ the cell
inside
Most potassium lies _____ the cell
smooth, cardiac, and skeletal
Name the three muscle types
skeletal
Which muscle type is the only one under conscience control?
Fast twitch and slow twitch
Name the two types of muscle fibers
Anaerobic
________ systems are without oxygen, These include the ATP-CP system 0-15 seconds and the Lactic Acid System 15 seconds - 2 minutes
Aerobic
_____ systems are with oxygen. This system uses fat to fuel it. Endurance long distance.
Acidification
___________ of the muscle cells account for muscle fatigue
Hitting the wall
This term means running out of muscle glycogen.
eating smaller, more frequent meals
the beast eating pattern is….
breads, cereals, and grains
The main source of carbohydrates in an athletes meal should come from: (3)
60
Water is adequate for rehydration for activities under ___ minutes
4-8
The presence of glucose is desirable in a sports drink with a solution of _____%.
15
The average healthy man has ____% body fat
25
The average healthy woman has _____% body fat
Genes
_______ determine the amount of slow or fast twitch muscle fibers.
glucose
During high intensity activity, the primary energy source is _______
cannot
Active people _______ rely on their thirst signal to consume adequate amounts of water