It starts with the mouth<span>. The esophagus is a long tube that </span>connects the mouth to the stomach<span>, which is within the ribcage. The </span>stomach<span> is a muscular bag-like structure and forms a J-shaped pouch and is located under the ribcage. The</span>stomach connects<span> to the small intestine.</span>
Which activity would be the best to improve one’s cardiorespiratory endurance/aerobic capacity?
joging
playing football
running
