Brenda1980peterson

Where is the heart found? Mediastinum What is the heart enclsoed by? Pericardium Layers of the heart: 1. Epicardium: inner layer 2. Myocardium: large, muscle layers --> fibers flex during each heart beat 3. Endocardium: thin, smooth inner layer that lines heart chambers and valves Another name for the sac that protects the heart and keeps it in place = Pericardium 4 chambers of the heart: 2 atria 2 ventricles Which chamber collects deoxygenated blood returning from the body throu...

benefits of exercise increased utilization of fat for muscle fuel, increased cardiovascular function, reduced stress, lower blood pressure, weight loss/control, reduced risk of certain cancers, improved sleep, improved immune function, improved blood glucose control, slowing of the aging process, and an improved self-image Healthy People 10-year initiative (2000): reducing adults who don't exercise, double adults are active 30+ minutes daily, increase adults who use resistance exercise l...

essential vitamins 13 vitamins that animal cells need but can't synthesize found in both plant and animal sources vitamins produced by the body vitamin K and biotin (gut flora) vitamin D (skin) vitamin A (from beta carotene) niacin (tryptophan) two criteria for vitamins 1. must be consumed in the diet to maintain health. 2. symptoms of deficiency occur in its absence enrichment adding nutrients back that have been lost to processing fortification adding nutrient not naturally pres...

What is the difference between hunger and appetite? Hunger: the internal drive to find and eat food; related to negative sensations caused by lack of food Appetite: external drive that encourages us to find and eat food; related to pleasurable sensations involved with eating food we enjoy List two examples of Cognitive external forces that can influence eating habits Habits, comfort foods, advertising, social factors, nutritional value Internal drive to find and eat food, often experienced...

Energy balance a state when one's energy intake is equivalent to the amount of energy expended Energy in equals energy out (calories consumed is burned through basic body functions + exercise energy balance positive energy balance occurs if more calories (energy) are consumed than expended examples of periods in life when you need to be in a positive energy balance state: pregnancy, childhood, and adolescence in growth spurts 1 pound in a week is equivalent to : 500 extra calories a da...

which person is at a greater risk for health issues related to being overweight or obese? Janet has a BMI of 28 and a waist to hip ratio of 0.95. Fred has a BMI of 28.9 and a waist to hip ratio of 0.78. Janet. Both have a BMI that indicates being overweight, but Janet has a more at-risk waist to hip ratio as her value is greater than 0.8. (Women should have a waist to hip ration less than 0.8 and males should have less than 0.9.) What range of BMI values represents a person with a healthy ...

An adequate intake of vitamins and minerals several ______________ prior to conception, as well as throughout the pregnancy, is strongly recommended for those trying to conceive. months A healthy body weight, properly controlling existing health conditions. and the avoidance of ___________________ (compounds that can increase the risk of a birth defect will improve the odds of a healthy pregnancy for both mom and baby. teratogens The United States, despite the availability of health care,...

Keys to a healthy pregnancy 1) adequate vitamins and minerals 2) healthy body weight 3) controlling health conditions 4) avoid teratogens Teratogens Compounds that can increase the risk of a birth defect. Examples of teratogens: 1) Tobacco: miscarriage, stillbirth, LBW, preterm 2) Alcohol: fetal alcohol syndrome 3) Drugs: LBW, miscarriage, birth defects 4 Key pregnancy stages: Fertilization, Blastogenic, Embryonic, Fetal Blastogenic stage (Day 1 to 14): A period of rapid cell divis...

Digestion process of transforming food into basic nutrients that can be absorbed and used by the body Without the process, the nutrients we initially consume in food would be useless: digestion Before food even enters the mouth, a cascade of events involving the nervous system and a variety of hormones are set off based on a variety of stimulus: cognition, sound, odor, appearance, and taste cognition thoughts about food can start the flow of saliva sound hearing a description of the me...

What is nutrition? Nutrition by definition is the science that links foods to health and disease. When is nutrition important? from conception to death When considering one's health, five dimensions can be evaluated: physical health, intellectual health, emotional health, social health, and spiritual health. physical health - body's ability to perform daily functions for survival intellectual health - the cognitive ability to learn and adapt emotional health - the ability to express or...