When a human breathes in, their chest muscles move upwards and outwards and the diaphragm muscle under their ... The blood vessels carry oxygen around the body to where it’s needed.

Most people have 24 ribs, with 12 on each side of the body. No evidence indicates any difference between males and females. The ribs and rib cage are excellent examples of the human body’s ...

Most scientists believe the pain is caused by a reduction in blood supply to the diaphragm, causing it to cramp. The stitch is caused by fluids which the body finds hard to digest. This causes the gut ...