인간의 소화와 영양

소개글

인간의 소화와 영양에 대한 보고서 자료입니다.

목차

Functional Links between Body Systems
Digestive System Tasks
Two Types of Systems
Digestive Specialization
Specialized Teeth
Specialized Stomach: Antelope
Human Digestive System
Major Components

본문내용

ssential amino acids
· Plant proteins are incomplete; must be combined
Alternative Diets
· “Mediterranean” diet olive oil is as much as 40 percent of total energy intake
· “Low-carb” diet reduced intake of carbohydrates and increased intake of proteins and fats
· Studies are ongoing to determine nutritional guidelines
Dietary Essentials
· Vitamins
- Essential organic substances
· Minerals
- Essential inorganic substances
Vitamins
Fat soluble
· Excess accumulates in tissue
· Vitamins A, D, E, K
Fat insoluble
· B vitamins
· Pantothenic acid
· Folate
· Biotin
· Vitamin C
Major Minerals
CalciumMagnesium
ChloridePhosphorus
CopperPotassium
FluorineSodium
IodineSulfur
IronZinc
Obesity
· Increasing numbers of Americans are obese
· Obesity-related conditions:
Type 2 diabetesBreast cancer
Heart diseaseColon cancer
HypertensionGout(통풍)
GallstonesOsteoarthritis
Body-Mass Index(체질량지수)
· An indicator of obesity-related health index
· BMI = Weight (in lbs) X 700
-------------------------
Height (inches)2
· BMI greater than or equal to 27 indicates health risk
BMI에 의한 과체중과 비만의 분류 및 관련질환의 발병 위험성
* 관련질환 : 당뇨병, 심장질환, 심혈관계 질환, 고혈압
Maintaining Weight
· Caloric input must equal caloric use
· Calories burned depends upon
- Activity level
- Age
- Height and build
Leptin
· Hormone that affects appetite(식욕) and metabolic rate
· Product of the Ob gene
· First clues came from mice; those with Ob gene mutation became obese
· Can now be produced through genetic engineering; may be useful in humans

키워드

생물,   영어요약,   소화,   영양,   Digestion,   Nutrition