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Lecture 4

KIN346 Lecture Notes - Lecture 4: Very Low-Density Lipoprotein, Calorie, Blood Test


Department
Kinesiology
Course Code
KIN346
Professor
Danny M Pinicero
Lecture
4

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KIN 346
Human Nutrition
___
September 19
WHAT IS ENERGY?
Forms of energy:
- Moving physical objects
- Moving bones via muscle
- Humans - mechanical
- Moving charges (electrons)
- Move charges
- Action potentials
- Increasing temperature (randomness)
- Burn energy (glucose)
- Harness 20-30% of chemical energy
- Mechanical energy
- Loss as heat
- binding/unbinding of bonds
- Consuming macronutrients
- Harnessing energy
- binding/unbinding of nucleons
- # of protons and neutrons
calorie
- Amount of energy to raise temperature of 1 gram of water by 1 degree C
- 1000 calories = 1 kcalorie = 1 Calorie
Energy density → amount of energy (calories) relative to mass
Nutrient density → amount of nutrients relevant to energy content (calorie)
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