| Term | Definition |
|---|---|
| Alveoli | any of the small air spaces in the lungs where carbon dioxide leaves the blood and oxygen enters it |
| Trachea | A wide, hollow tube that connects the larnyx (voice box) to the bronchi of the lungs |
| Epiglottis | A flap of cartilage at the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe |
| Larynx | The hollow muscular organ forming an air passage to the lungs and holding the vocal cords in human and other mammals; the voice box. |
| Pharynx | The membrane lined cavity behind the nose and the mouth, connecting them to the esophagus |
| Bronchi/ bronchioles | The main passageway into the lungs |
| Lungs | A pair of large, spongy organs optimized for gas exchange between our blood and air |
| Vital capacity | The maximum amount of air a person can expel from the lungs after a maximum inhalation |
| Lobes | A roundish and flattish part of something, typically each of two or more such parts divided by a fissure, and often projecting or hanging. |
| HEIMLICH MANUEVER | Abdominal thrusts, also called the HEIMLICH MANUEVER, is a first aid procedure used to treat upper airway obstructions by foreign objects |
| Respiratory problems | First indication of a life-threatening illness |
| To move air to the body | Function of the respiratory system |
| Thoracic cavity | The cavity that the lungs are located in |
| Surfacant | Sticky substance that the pleural membrane produces that allows lungs to stick to the ribs |
| Activity level | Determines the amount of oxygen needed by the body |
| Cellular respiration | How the body meets the demand of more O2 when someone is exercising |
| Pulse oximetry | Tests the percentage of oxygen in the blood. |
| Arterial blood gas levels | A blood sample taken and the amounts of oxygen and carbon dioxide found in the blood are measured |
| Chest X-rays | Used to visualize any masses, congestion, or infection that has accumulated in the lungs or thoracic cavity. |
| Pulmonary functions tests (PFTS) | Tests the lungs capacity, volume, speed or airflow and the overall functions of the lungs |
| Spirometry | Part of a PFT that specially assesses lung capacity and volume |
| Intercostal muscles, diaphram | The ___ contract, pulling the ribs up. and the ____ contracts and moves down, pulling air into the body through the mouth or nostrils. |
| Nasopharynx, Oral pharynx, epiglottis | Air passes through the ___ or _____ through the ____ which prevents food from entering the trachea |
| Trachea | The ____ contains tiny-hair like cilia and mucus that catch any particles in the air that could be harmful tot he lungs and moves them back up to the trachea to be spit out. |
| Bronchi | Air moves down the trachea, which braches into the right and left ____ |
| Bronchioles | Right and left bronchi continue to branch, much like and upside-down tree, into smaller limbs called ____ |
| Alveoli | ____ where gas exchange will occur |
| Pulmonary Circulation | Alveoli have extremely thin membranes surrounded by ____ From the cardiovascular system. |
