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Carbohydrates
- Main function = energy production
- High GI- cause blood glucose levels to rise sharply (white bread, white rice, potatoes, soft drinks, some breakfast cereals)
- Intermediate GI- cause blood glucose levels to rise intermediatly (table sugar, raisins, sultanas)
- Low GI- has a low impact on blood glucose levels (grains, oats, bran, pasta)
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Protein
- 2 main functions= build and repair cells, act as a fuel for production energy (if no glucose)
- (Meat, eggs, lentils)
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Lipids
- Acts as fuel for energy
- Development and maintenance of cell membranes
- Transport fat solouble vitamins around the body
- Maintenance of body temperature
- Provides cushioning
- Four Different typesMonounsaturated- good fat (olive/canola oil, avocado, nuts)
- Polyunsaturated-good fat (fish, canola/soy oil, nuts, seeds)
- Saturated- bad fats, increases cholesterol levels and therefore contribute to heat disease.
- Trans fat- provides better shelf life found in packaged foods.
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Water
- Makes up 55-75% of body mass
- Needed for: aiding digestion and waste removal, key component of blood, musclular contractions, needed for all chemical reactions
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Calcium
Required for building bone and other hard tissue (milk, cheese, yoghurt, sardines/salmon, green leafy vegetables)
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Iron
It forms part of hemoglobin (red meat, nuts, chicken, tofu, fish, green leafy vegetables, eggs)
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Vitamin A (retinol)
- Important for eyes and eye sight
- Helps see in colour and at night
- Fights germs and stops cancer from growing
- Keeps skin healthy
- (orange and yellow fruits, milk, green leafy vegetables, cheese, eggs, liver, fish oils)
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Vitamin D
- To absorbe calcium from intestines into the blood stream
- (sunshine, tuna, sardines, salmon, milk, butter, cheese)
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Vitamin C
- Important for the structure of tissues
- Humans cannot make their own
- (fruits, vegetables)
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Vitamin B 1, 2, 3
- Important in the process of metabolism and coverting fuels for energy
- (vegemite, wholegrain, eggs, fish)
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Vitamin B 6
- Plays a role in brain and red blood cell development
- (cereals, grains, legumes, green leafy vegetables)
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Vitamin B 9
- Development of red blood cells
- Important role in DNA synthesis
- (green leafy vegetable, citrus fruits, poultry, eggs)
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Vitamin B 12
- Aids in the formation of red blood cells
- (meat, eggs, cheese)
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Define lifespan
A lifetime starting at conception and ending with dealth
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Prenatal
- Starting: conception
- Ending: birth
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Infancy
- Starting: Birth
- Ending: 2 years
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Childhood
- Starting: 2 years
- Ending: Puberty
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Youth
- Starting: Puberty
- Ending: 18 years
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Adulthood
- Starting: 18
- Ending: 50-60
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Old age
- Starting: 50-60
- Ending: dealth
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What is puberty?
The biological changes that occur during youth and prepare the individual for sexual reproduction
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What are primary sex characteristics?
Directly involved in reproduction (sex organs)
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What are secondary sexy chartesistics?
The changes the occur at puberty not related to reproduction.
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Spermache
first ejacluation
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Growth spurt
- Males have genraly longer puberty than females, so the grow taller.
- Females start puberty first so they have their growth spurt first.
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Who is mainly involved in causeing road truma?
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What are the main factors that cause road trauma?
- Alcohol
- hooning
- Drugs
- Distractions
- Weather
- Roads
- Signs
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What determinats can be involved in road trauma?
- Behavioural determinants
- Social environment
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What are the stages of development and health?
- Physical health: fuctioning of body and all of its body systems.
- Social health: way we act and behave in realtionships with others and the community
- Mental health: health of our mind and thought process
- Physical development: structual changes, body composition, motor skill development
- Social development: behaviours, social roles and expextations, values and beliefs, communication skills, relationships
- Emotional development: self concept, awareness of emotions, management of emotions, appropriate expression of feelings.
- Intelectal development: knowledge, language, memory, creativity, problem solving, attention, abstact thought
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Why do people develop at different rates?
Because of their hormones.
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Devise and justify a definition of health.
- Health is a state of physical, mental and social health to the best of your ability, not merly the abuse of disease.
- To be healthy you have to be physical, mental and socaly healthy but only up to what you can do. so if a person has no leg they still can be healthy if tey are healthy to the best of their ability.
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Problem food habits amongst youths.
- Snacking
- Energy drinks
- Skipping meals
- Eating outside of the home
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How can snacking be beneficial to youths?
- Healthy snacking
- Have better concentration, not eating bad foods
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What is another name for iron deficiency?
Anemia
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Why is iron deficency more prevalent amongst females?
- More females eat less meat then of males
- The mentral cycle
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What can an iron deficentcy lead to?
- Tiredness
- Weakness
- Less oxygen being moved around the body
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Defiine mortality.
Mortality simply means dealth in a population
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Define Morbidity.
It simply means illness or disease in a popluation.
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What does DALY's stand for?
Disability Ajusted Life Years
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What is DALY's measured by?
- The burden od disease
- It is a health indicator that combines mortailty data with morbidity data so that conditions that contribute differently to dealth and illness is compared.
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How is DALY's measured
- YLL + YLD = DALY
- years life lost + years lived with disability = disabilty ajusted life years
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Define incidence.
Number of new cases of a condition in a given period of time
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Define prevalence
The total number of cases of a condition in a given time.
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Define fine motor skills
Only using small muscles like in fingers
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Difine gross motor skills
Using large muscles, like in a arm.
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Biological determinant.
- Concerned with the body's cells, tissues, organs and systems and how they function.
- genetics
- bodyweight
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Behavioural determinant.
- Focus on the decisions people make and how they choose to lead their lives.
- Sun protection
- Participationg in physical activity
- Well balanced diet
- Developing/maintaning friendships
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Physical environment.
Physcial things that make up the environment such as air and water, and availble facilites such as housing.
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Social environment, family focus.
- Family structure
- Shelter
- Food
- Clothing
- Emotional emotion
- Educational opitunities.
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Social environment, Community focus
- Quality of relationshing within the community and the services avalible
- Educational resouces
- Facilities
- Levels of violence
- Level of social support
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