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RESPIRATORY SYSTEM
RESPIRATORY SYSTEM cb
| Question | Answer |
|---|---|
| RESPIRATORY SYSTEM | responsible for taking in oxygen and removing carbon dioxide |
| nose | has two openings, called nostrils or nares, through which air enters |
| nasal septum | a wall of cartilage divides the nose into two hollow spaces |
| nasal cavities | two hollow spaces in the nose |
| cilia | tiny, hairlike structures |
| sinuses | cavitoes in the skull that surrounf the nasal area |
| pharynx | (throat) lies directly behind the nasal cavities |
| larynx | (voicebox)lies between the pharynx and trachea |
| epeglottis | closes the openings into the larynx during swallowing |
| trachea | (windpipe)tube extending from the larynx to the center of the chest |
| bronchi | enters the lungs and carries air from the trachea to the lung |
| bronchioles | the smallest branch of bronchi |
| alveoli | tissue and containa rich network of blood capillaries |
| lungs | right lung has three sections; superior,middle, and the inferior. the left lung has only two lobes;the superior and the inferior |
| pleura | membrane like sac the covers the lungs |
| ventilation | the process of breathing |
| inspiration | process of breathing in air |
| expiration | air is forced out of the lungs and air passages |
| respiration | the preocess of respiration is controlled by the respiratory center in the medulla oblongata of the brain |
| external respration | exchange of oxygen and carbon dioxide between lungs and blood stream |
| internal respiration | exchange of carbomn dioxide and oxygen between the tissue cells and the bloodstream |
| cellular respiration | cells use the oxygen and nutrients to produce energy, water, and carbon dioxide |
| asthma | a respiratory disorder usually caused by a sensitivity to an allergen such as dust, pollen, an animal, medications, or a food. |
| bronchitis | an inflammation of the bronchi and bronchial tubes. |
| chronic obstructive pulmonary disease (COPD) | a term used to describe any chronic lung disease that results in obstruction of the airways. |
| emphysema | a noninfectious, chronic respiratory condition that occurs when the walls of the alveoli deteriorate and lose their elasticity.(smoking is usually associated with this) |
| epistaxis | also known as nosebleed, occurs when capillaries in the nose become congested and bleed. |
| influenza | (flu) a highly contagious viral infection of the upper respiratory system. |
| laryngitis | an inflammation of the larynx and vocal cords |
| lung cancer | the leading cause of cancer death in both men and women. its a preventable disease because the main cause is exposure to carcinogens in tobacco, either smoking or second hand smoke. |
| pleurisy | the inflammation of the pleura or membranes of the lungs |
| pneumonia | an inflammation or infection of the lungs characterized by exudate (a build up of fluid) in the alveoli. |
| rhinitis | an inflammation of the nasal mucous membrane, resulting in a runny nose, watery eyes, sneezing, soreness, and congestion. |
| sinusitis | an inflammation of the mucous membrane lining the sinuses |
| sleep apnea | a condition in which an individual stops breathing while asleep, causing a measurable decrease in blood oxygen levels. |
| tuberculosis (TB) | an infectious lung disease caused by the bacterium mycobacterium tuberculosis. |
| upper respiratory infection (URI) | also known as common cold, an inflammation of the mucous membrane lining the upper respiratory tract. |
Created by:
I.H.T.C.
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