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35 Cards in this Set
- Front
- Back
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arteries
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carry blood containing fresh oxygen from heart to tissues
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veins
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carry blood with carbon dioxide from tissues to heart
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red blood cells
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carry O2 and nutrients through the body
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adequate circulation requires (3) things
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Fluid intake, Cardiovascular fitness, Good nutrition
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the bodies cells need (3) things
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ENERGY, OXYGEN, NURTRIENTS FROM WATER
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hormones regulate:
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apetite, digestion, menstration, reaction to stress
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nervous system consists of:
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Brain, spinal cord and nerve cells
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important organ/cell storage systems. (3)
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Liver, muscles, fat cells
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5 basic tastes
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Sweet, sour, bitter, salty, savory
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digestive tract is what?
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Flexible, muscular tube that digests food and absorbs its nutrients and some non-nutrients
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most important immune system cell is?
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white blood cell
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functions of protein in the body include:
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hormones, enzymes, catalysts, ligaments, muscle
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obesity trends...WHY?
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sedentary lifestyle, fast food, larger food portions, high fructose corn syrup.
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steps of the scientific method
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observe
formulate a hypothesis test hypothesis replicate peer review |
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what is the benefit of replacing animal protein with plant protein?c
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cut down on saturated fats
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how much protein do you need per Kg of body weight?
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.8 grams
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types of carbohydrates (3)
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fiber
starch sugar |
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conditionally essential amino acids
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combo of non essential and essential amino acids
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essential amino acids
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what our body produces naturally
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non essential amino acids
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amino acids that we get from foods that our body doesn't produce naturally.
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liver decides the fate of glucose by:
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use it as energy
store as glycogen store as fat make non essential amino acids dump into blood stream |
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health effects of soluble fiber
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lowers blood cholesterol
slows glucose absorption slows transit of food though upper GI softens stools |
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health effects of insoluble fiber
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softens stools
regulates bowels speeds transit though small I. reduces risk of diverticulosis, hemorrhoids and appendicitis |
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High fiber diet does what?
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Reduces cholesterol
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lipoproteins
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carry fat through the blood stream
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what are 2 essential fatty acids and food sources
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omega 3- fish, seeds, canola/nut oils soybeans
omega 6- leafy veggies, seeds, nuts, grains. |
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what is hypertension, and it's effects
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high blood pressure,
puts strain on vessel walls, and on the heart |
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atherosclerosis
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disease characterized by hardening of the vessel walls
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(4) types of blood clots
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Embolus, embolism, thrombus, thrombosis
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embolus
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blood clot that breaks free and travels
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what is an embolism & it's side affects
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embolus that gets caught in a smaller vessle
stroke, heart attack, and clot of the lungs |
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thrombus
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stationary clot
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thrombosis
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stationary clot that has cut off the blood vessle
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what is the function of cholesterol
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Used by glands to synthesize hormones, such as sex hormones
Liver uses cholesterol to produce bile Main component of cell membranes and structures |
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when will the liver synthesize triglycerides.
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Eat too much carbs
Increased levels of blood free fatty acids (from diet) Consume alcohol Increased insulin, decreased glucagons |
