Energy Flashcards
What is energy
The fuel our bodies need to stay alive and carry out physical activity it is produced by cards fat and protein
Functions of energy
Meeting specific needs (pregnancy)
Physical activity and muscles move
Maintains body temp
Growth and repair
Heart beat and digestion and breathing
1 gram of protein calories
4 kcal
1 gram fat cal
9 cal
1 gram carb cal
3.75
Why are starchy carbs the best way of meeting energy needs
Good source of slow realising energy keeps blood sugar constant and whole grain varieties give a feeling of fullness
Have a lot of nutrients
Energy requirement for a male
2500 k
Women energy requirements
2000kcal
What does BMR mean and what is it
Basal metabolic rate
Amount of energy your body needs in order to maintain functions such as breathing and heartbeat
Factors that influence individual energy requirements
BMR
PAL
age
Gender
WHAT is PAL and how ones it influences daily energy requirements
Physical activity levels
People who excercjse regularly need more energy than ones who don’t
How does age influence individual energy requirements
As individuals move through life requirement vary
When growing it is higher ageing reduces energy needs as growth has stopped
How does gender influence energy requirements
Males often have a larger body size increased muscle mass and higher BMR meaning they need more energy then females
