Zusammenfassung der Ressource
AQA Core Biology (B1) - 1.1 - Keeping Healthy
- Diet & Energy
- Balanced Diet
- Carbohydrates
- The main source of
energy
- Fats
- One Gram of FAT releases
almost TWICE as much
energy as 1 gram of protein
or carbohydrates
- Energy &
Making New
Cell
Membranes
- Proteins
- For Growth
(Making New Cells)
& Repair. Also a
minor supply of
energy
- Vitamins & Minerals
- Keeping
Healthy
- Needed in
small
quantities
for good
health
- Fibre (Roughage)
- Keeps the
digestive system
working well
- Prevents chances of
getting bowel cancer
- Water
- Needed to
survive
- Transport vital
nutrients
- Eating the correct
amounts of all of
the food groups
each day
- Energy Needs
- People doing manual work, or alot of
exercise, need to eat a lot more
energy-rich foods than people who don't
exercise as much
- Different people have different METABOLIC RATES
- The rate at which chemical reactions take place in your body
- Generally
- Men have
faster
metabolic rates
than women
- Younger people have
faster metabolic rates
than older people
- The greater the proportion
of muscle to fat in the
body, the higher the
metabolic rate is likely to
be
- Can be affected by your genes - inherited from your parents