Healthy: Being free from infections and diseases!
Fitness: A measure of how well you can perform tasks, involving a measure of strenght, speed, agility, flexibilty, stamina and cardiovascular efficiency! How long it takes for your heart beat to return to normal after exercise!
Stamina: Indication of cardivascular efficiency, tested through oxgen uptake during exercise and blood pressure!
Blood Pressure: The force exerted by the blood on the wall of the arteries during a heartbeat!
Systolic Blood Pressure: Heart contracting, highest blood pressure!
Diastolic Blood Pressure: Heart relaxing, lowest blood pressure!
It's the measure of Mercury…