Energy Basics Flashcards
1
Q
Why do we need food?
A
- energy
- to keep us healthy and able to fight infections
- to maintain our normal body temperature
- it enables our body to carry out its functions (digestion, breathing, pumping blood)
- growth and repair of tissues
- stops us feeling hungry
- to keep us happy
2
Q
Where does energy come from?
A
From nutrients
3
Q
Which nutrients does energy come from?
A
Carbohydrates, lipids, protein
4
Q
How much energy do carbohydrates produce?
A
carbohydrates 1g = 17kj
5
Q
How much energy do lipids produce?
A
lipids 1g = 38kj
6
Q
How much energy do proteins produce?
A
protein 1g = 17kj
7
Q
What should your daily kilojoule intake be?
A
30% fat
55% carbohydrate
15% protein
