I would say cardiovascular fitness. Cardiovascular fitness is what makes you able to have muscular strength, and flexibility, and those fitness components.
<span>Cardiovascular fitness is the ability of
the heart, blood cells and lungs to supply oxygen-rich blood to the
working muscle tissues, and the ability of the muscles to use oxygen to
produce energy for movement. It's basically what makes you able to excersise.
</span>~Deceptiøn
Statement one
Statement two
It it is accurate statement 4. I sure wonder where they got the stat.
Statement Five
That only leaves 3. You'd have to link me to the source. Three and Four tend to be contradictory.
Without proof the answers you will get are mostly what we think is true. I would want studies before I confirmed them for sure.