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Resoitory&pulmonary
pulmonary and respitory system
| Question | Answer |
|---|---|
| what is the respitory system? | delievers the oxygen to the blood-- the transport medium of the cardiovascular system-- and remove oxygen fromt he blood, the actual exchange of oxygen and carbon dioxide occurs in the lungs |
| what two tracts make up res sysytem: | the upper and lower res |
| the upper res tract includes: | nose, (nasal cavities, sinusues) mouth, larynx, and trechea, (winpipe) |
| the lower res tract includes: | lungs, bronchi and alvoli |
| the act of breathing | repiration |
| muscle contraction, which lifts the ribs and plls them out ward, increases lung volume, allowing air to rush in | inspiration |
| muscle relaxationdecreases lung volume and the air passivly flows out | expiration |
| the process wherby oxygen and carbon dioxide are delivered to and from the lungs | pulmonary circulatory circuit |
| ___ blood travels to the right ___ then to the right ___. the right ventricle subsequently pumps the blood into the ___ artery, which branches to the right and the left ____ | pxygen-poor, atrium, ventricle, pulmonary, lungs |
| the ___ artiers subdivide untill reaching the arteriole, the capillary levels | pulmonary |
| after gas exchange, the capillaries recombine to form __&__. | venules, veins |
| pulmonary veins carry __ blood to the heart for distribution, via the aorta/systematic circuit, to the rest of the body | oxygen-rich |
| on ___, air enters the body through the nose and he mouth. nasal hairs and mucosa filter out dust particles and bacteria and warm and moisten the air | inspriation |
| air travels down the throat, or phaynx, where two openings exist, one into the ___ for the passage of food, and the other into the ___ and trachea for continued airflow | esophagus, larynx, trachea |
| air continues down the trachea, which branches into the right and left ___. | bronchi |
| bronchi divide into even smaller tubes called _____. the bronchial structures contain ___, that sweep debris out of the lungs toward the phatynx for expulsion. once in the bronchioles, the air is at body temp, conations 100% hummidity, and is comp filtere | bronchioles, cilia |
| bronchioles end in air sacs calleed____-- small thin walled "balloons" arranged in clusters | alveoli |
| it is at the alveoli that ____. tiny blood vessels, capillaries, surrond each of the alveoli. | gas exchange occurs |
| fuknctions of the resipotory system | breathing process, exchange of oxygen and carbon dioxide, and enable speech production |
| internal respiration: | all cells require oxygen for metabolism, all cells require means to remove carbon dixoxide, gas exchange at celluar level |
Created by:
kaisudd
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