Name five parts of a balanced diet and state its effect on the body
Protein (amino acids)- to build new tissue for growth and repair. Carbohydrates- for the slow release of energy. Fat- source of stored energy for insulation. Fibre- helps prevent constipation. Vitamins and minerals- for general health.
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What is the metabolic rate?
The speed at which chemical reactions take place in the body.
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What happens to your metabolic rate after exercise?
The metabolic rate stays high for a while.
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What is a feature of low-density lipo-proteins (LDLs)?
A feature of LDLs is they carry cholesterol from the liver to the cells of the body.
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What is it best to have for a healthy heart?
It is best to have a high proportion of HDL compared to LDL for a healthy heart.
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What is HDL and LDL?
Types of protein
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What happens if there is too much cholesterol?
Cholesterol blocks the arteries to the heart, preventing blood flow and which can case a heart attack
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Where is cholesterol made are what is it needed for?
It is made in the liver and is needed for healthy cell membranes.
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What effects a person's energy needs?
For a higher energy needs an person must: have a higher muscle:fat ratio, be bigger in physique,have an active job or do daily exercise.
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What are the inherited factors that effect health?
An under-active thyroid gland, which can lower the metabolic rate and cause obesity. They make inherit factors that affect their cholesterol level.
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Name five health problems associated with obesity.
Arthritis (inflammation of the joints), type 2 diabetes (inability to control blood sugar level as insulin is not recognised by the body), high blood pressure, heart disease and cancer.
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Name five healthy problems associated with being malnourished.
Slow growth in children, fatigue, poor resistance to infection, irregular periods in women and deficiency diseases such as scurvy or rickets.
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Why do we need energy?
We need energy to fuel the chemical reactions in the body that keep it alive.
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In terms of energy, what does a person have to do to lose weight?
Take in less energy than the energy used.
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Which sex has a higher metabolic rate?
Men.
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Other cards in this set
Card 2
Front
What is the metabolic rate?
Back
The speed at which chemical reactions take place in the body.
Card 3
Front
What happens to your metabolic rate after exercise?
Back
Card 4
Front
What is a feature of low-density lipo-proteins (LDLs)?
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