# Nutrition (revision cards) to use

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What does the body's energy depend on?
1.Oxygen-reduction reactions 2. Chemical reactions that conserve and liberate energy
1 of 6
What is the first law of thermodynamics?
When mechanical energy is transformed into heat energy / heat to mechanical. The ratio of two energies is constant quantity. ( energy is never destroyed, but only transformed )
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What is the Phosphocreatine system?
PCr is an readily available molecule to regenerate ATP: – ADP + PCr + H+ - ATP + Cr 1. Doesn't require O2 2.No lactate 3.Only limited supply of PCr = low capacity
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What do creatine supplements do?
increases PCr and total creatine concentrations in skeletal muscle. Need 2g to replenish losses
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How to do convert Joules to Kcalories?
multiply the kilocalorie value by 4.2
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Energy value of food?
CHO:1g =4 kcal Protein1g = 4 kcal fat 1g = 9 kcal
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## Other cards in this set

### Card 2

#### Front

What is the first law of thermodynamics?

#### Back

When mechanical energy is transformed into heat energy / heat to mechanical. The ratio of two energies is constant quantity. ( energy is never destroyed, but only transformed )

### Card 3

#### Front

What is the Phosphocreatine system?

### Card 4

#### Front

What do creatine supplements do?

### Card 5

#### Front

How to do convert Joules to Kcalories?