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Boyle's Law
Pressure within a container decrease as the volume increase. As pressure decreases, air will flow to the area with lower pressure (which can be create by increasing the volume.) TERM 2
Cervical Vertebrae
DEFINITION 2 top 7 vertebrae right at the top of the shoulder TERM 3
Thoracic Vertebrae
DEFINITION 3 12 basis of the back TERM 4
Lumbar
DEFINITION 4 5 small of back TERM 5
Sacral
DEFINITION 5 5 pelvic area unlike the rest of the vertebrae, these are fused into one big mass at the bottom of the horny structure (tail bone) function is to create body support
Rib Cage
houses the thoracic cavity, boney structure made up of ribs and the shoulder girdle and it is the primary respiration structure there are 12- 10 are attached to the vertebral structure and sternum by means of cartilage and 2 (inferior) are floating posterior attachment: the head attaches to each thoracic vertebrea at the transverse process function: protect (it houses the lungs and the heart), provides stability to the upper torso, but the primary mechanist is to provide the basis for respiration TERM 7
Shoulder Girdle
DEFINITION 7 supports the upper extremities 2 parts: clavicle (collar bone) and the scapula (shoulder blade) TERM 8
Pelvic Girdle
DEFINITION 8 Parts: iliac crest (hip), sacrum (5 sacral vertebrae), and the coccyx (tail bone.) TERM 9
Thoracic Cavity
DEFINITION 9 the ribs and the vertebrae make up a protective barrel- inside are the lungs and the heart inferior border: below the lowest level of ribs is a dome shaped muscle called the diaphragm which seperates the upper respiratory cavity form the abdominal (lower) cavity. TERM 10
2 Primary Ways of Inhaling
DEFINITION 10
- expanding the rib cage 2) contracting the abdomen
Mediastinum
seperates the lungs contains the heart and major blood vessels (trachea) do not expand lies deep to the bony thorax (chest) and its muscular coverings and is nestled deep to the lungs.
