Keeping our bodies Healthy
A mindmap on living a healthy lifestyle. Perfect for a quick revision summary
Teacher recommended
?- Created by: Victoria
- Created on: 09-05-13 14:18
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- Keeping our Bodies healthy
- Malnutrition
- eating too much or too little can lead to malnutrtion
- Eating too lottle of particular types of food can lead to deficiency diseases
- What is a balanced Diet?
- A diet that contains the right amount of the different food groups for your individual needs.
- A balanced diet is affected by age, gender, activity levels, the proportion of muscle to fat in your body, and your genes.
- How healthy are you?
- Metabolic rate
- This is the rate at which the chemical reactions take place in your cells
- It is affected by: Inherited features, proportion of muscle to fat, amount of exercise
- If you have a fast metabolic rate, you will need to eat more to maintain your weight.
- Body Mass Index (BMI)
- Doctor's use BMI to indicate if you may be likely to suffer from health problems.
- BMI = weight (kg) / height (m)
- Percentage body fat
- Women should have no more than 30% body fat to be healthy
- Men should have no more than 25%
- Measure using a SKINFOLD CALIPER
- Heart rate
- Generally, the lower the rate, the healthier you are
- the quicker your heart rate returns to normal after exercise, the healthier you generally are
- Metabolic rate
- Exercise
- Effects of exercise
- Increases metablic rate (e.g. respiration)
- Decreases blood pressure
- Decreases obesity/ cholesterol
- Lowers risk of
- heart disease
- arthritis
- diabetes
- Effects of exercise
- Cholesterol
- Cholesterol is made in the liver
- You need it to make...
- cell membranes
- sex hormones
- hormones to help you deal with stess
- The amount and type of fat you eat affects cholesterol levels
- High levels of cholesterol in blood increase risk of getting heart disease or blocked blood vessels.
- The amount of cholesterol in your blood depends on...
- how your liver works (limited)
- Amount of exercise
- Metabolism
- Diet
- HDl/LDL ratio
- Cholesterol is carried around your body by 2 types of lipoproteins
- low-density lipoproteins
- bad cholesterol - increase risk of heart problems
- high-density lipoproteins
- good cholesterol, reduce risk of heart disease
- low-density lipoproteins
- 3 main types of fat in food
- saturated fats
- increase LDL cholesterol levels. Found in animal fats - meat butter cheese
- Mono-unsaturated fats
- Improves the balance between LDLs and HDLs in blood. Found in olive oil, olives, peanuts, margarines
- Poly unsaturated fats
- These are even better at balancing LDLs and HDLs. Found in corn oil, sunflower oil, margarines and oily fish
- saturated fats
- Salt
- Salt is vital in your diet
- Needed for nervous system and reactions in cells
- Excess salt can increase blood pressure
- Malnutrition
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