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anatomy Exam 2
(a) respiration intro
| Question | Answer |
|---|---|
| boyle's law | inverse relationship of volume and air pressure |
| how many main structures are part of respiration -and what are they | (3) 1. visceral thorax 2. bony thorax 3. muscles of respiration |
| visceral thorax (how many parts) | aka "deep" thorax. internal organs and soft tissues, protected by bony thorax -5 parts |
| purpose of the visceral thorax | -keeps open airway -allows for communication between lungs and external environment |
| parts of the visceral thorax | 1. nasal + oral cavities 2. pharynx + larynx 3. trachea 4. esophagus 5. lungs |
| bony thorax (how many parts) | skeletal structure, -5 parts |
| purpose of bony thorax | protects visceral thorax |
| parts of the bony thorax | 1. vertebral column 2. ribs 3. pectoral girdle 4. sternum 5. pelvic girdle |
| muscles of respiration | primary and accessory muscles of inspiration and expiration |
| two types of inspiration | 1. quiet 2. forced |
| two types of expiration | 1. passive 2. active |
| goal of inspiration | bring respiratory system to state of negative pressure to allow air to flow into lungs, and alveoli to absorb oxygen |
| goal of expiration | bring respiratory system to relaxed state -eliminate the waste products of respiration |
Created by:
liz gelles