Cardio 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. Continue reading “Beginner Cardio”
Constantly Pressing Forward To The Mark
Cardio 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. Continue reading “Beginner Cardio”