The study of the structure of body parts
Anatomy
The only source your body has for nitrogen needed for building new tissues
Protein
The measurement of your fitness and condition of your heart
Cardiovascular fitness
Two or more tissues performing special functions
Organs
Acts like a broom in the intestines
Fiber
The study of the function of body parts
Physiology
Main energy source for your body
Carbohydrates
When your muscles demand more oxygen than normal
Aerobic
Group of body parts that transports blood throughout the body
Circulatory system
A unit of heat the body uses for energy
Calorie
Condition of a stable internal environment
Homeostasis
Your body turns carbohydrates into this sugar
Glucose
Short, bursts of energy without the use of oxygen
Anaerobic
Blood flow to the brain is restricted or cut off
Stroke
Organic substances needed for body functions
Vitamins
Specialized cells to carry out body functions
Tissues
A chain of fatty acids, provides a concentrated source of energy
Fat
The inability to go to sleep
Insomnia
Main organs of the respiratory system
Lungs
Inorganic substances essential for your body
Minerals
Basic unit of all living things
Cells
“Bad cholesterol”
LDL
The measure of the resistance to blood flow in the vessels
Blood pressure
Organs that take in food and break it down to be used for energy
Digestive system
Self-induced starvation resulting in extreme weight loss
Anorexia