article thumbnail

5 Components Of Physical Fitness

PLT4M

These components are cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition. Cardiovascular Endurance: This refers to the ability of the circulatory and respiratory systems to supply oxygen and nutrients to the muscles during sustained physical activity.

article thumbnail

Sports and Stimulants: A Brief History

The Sporting

I am ready to perform my first operation,” he announces, “transplanting the respiratory system of an eagle into a human. The advanced breathing system of birds is what enables them to make migratory flights of thousands of miles. A human with such a system would be able to run a mile in three minutes.

Sports 105