12.4 Diet and Health Flashcards
1
Q
Balanced diet (+food pyramid)
A
Consume all food substances in right amount
Notes
2
Q
Units for energy
A
Kilojoules/gram (kJ/g)
Kilocalories/gram (kcal/g)
3
Q
Experiment for comparing energy value of different snacks
A
Notes
4
Q
Sleeping also requires energy!!
A
5
Q
Energy value of food substances
A
Carbs 17kJ/g
Lipids 39kJ/g
Proteins 18kJ/g
6
Q
Two substances
A
Primary yes energy
Protective no energy
7
Q
Energy requirement factors
A
Age: children & teenagers more active, growing actively
Sex: male more muscles require ^ energy to support muscle contraction (protein), women daily energy requirements increase by 1400-2000kJ during pregnancy and breastfeeding to support baby growth
Activity level and occupation: more/less physical work
8
Q
Unbalanced diet
A
Notes
