Ch. 8 Energy Balance Flashcards
electrical transformation of energy
brain and nerve activity
thermal transformation of energy
regulation of body temperature
sources of energy INPUT
fuel/food
Two types of metabolic reactions
Anabolism
Catabolism
3 sources of stored energy
Glycogen
Muscle mass
Adipose fat tissue
Glycogen -source of stored energy
12-36 hour reserve in liver and muscles
3 types of thyroid tests
- TSH
- T3
- T4
3 Factors influencing BMR
- body size and composition
- growth
- fever and disease
____ determines BMR and nutrient needs, is 30-65 percent of total body weight in adults, and is maintained by physical activity
Lean body mass (LBM)
Body fat is determined by number and size of _________
adipocytes
Varies with fatness and leanness, age, hydration status and health status
body water
Body water is ___ to ___ percent of body weight
50 to 65 percent
_____ tissue contains more water than ____ tissue
lean
fat
Mineral mass is ___ to ___ percent of body weight
4 to 6 percent
Two major minerals
calcium and phosphorus
