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Respiratory System
| Question | Answer |
|---|---|
| Respiration | sequenxe of events that result in the exchange of oxygen and CO2 between the atmosphere and body cells |
| Conducting Passages | upper respiratory and lower respiratory |
| Upper Respiratory | nose, pharynx, larynx |
| Lower Respiratory | trachea, bronchial tree, lungs |
| Pulmonary Ventilation | Breathing air is higher to lower pressure, recoil of elastic tissues |
| Inspiration | inhalation: Process of taking air into lungs PRIMARY MUSCLE INVOLVED DIAPHRAGM |
| Expiration | exhalation: process of letting air out of the lungs |
| Spirometer | Measure the volume of air in and out of lungs |
| External Repsiration | Exchange of gases between the tissue cells and the blood in tissue capillaries |
| 4 factors that influence breathing | Chemoreceptors, stretch receptors, higher brain center, temperature |
| Nonrespiratory Air Movement | hicupping, sneezing, sighing, yawning, coughing, crying, laughinh |