Your ribs protect the lungs and heart in your chest, and the kidneys in the back. They connect to the backbone (or spinal column) in the back and to the sternum (or chest bone) in the front. Muscles that attach to the ribs can also help with breathing, if the muscles ordinarily resp...
Ventral Body Cavity | Divisions, Diagram & Organs from Chapter 1 / Lesson 15 43K Learn about the ventral cavity. Discover the body's cavities and organs found in the ventral cavity, where it is located, and see a ventral body cavity diagram. Related...
THE ARRANGEMENT OF THE HINGED RIBS AND THE STERNUM OF BIRDS PERMITS LARGE VOLUME CHANGES OF THE THORAX IN WHICH THE LUNGS AND SOME OF THE AIR-SACS ARE LOCATED A diagram is presented which explains that the arrangement of the hinged ribs and the sternum of birds permits large volume changes ...
are continuously ventilated in a single direction with freshly inspired air during bothinspirationandexpirationat the nostrils.Aspirationinto the air sacs is produced by expansion of the chest andabdominal cavity. The sternum (breastbone) swings forward and downward, while the ribs and chest wall move...