The upper respiratory system helps enable your ____ sense The ____ separates the right and left nasal cavity The pharynx has ____ divisions The ____ is an air passage only The larynx is located between the ____ and the trachea The larynx is made of ____ to keep air passages open Your vocal chords are controlled by muscles that vibrate when you ____ air The epiglottis is a flap over the glottis that prevents ____ of food into the lungs The lower respiratory system is responsible for exchange of ____ and CO2 The upper part of the lungs is called the ____ and the lower part is the ____ The ____ lung is smaller to create more space for the heart The lung has ____ lobes on the left and ____ on the right The protective bones of the lungs are the costals and the ____ The diaphragm is stimulated by the ____ nerve The diaphragm separates the ____ and abdominal cavities The diaphragm pulls the lungs down by flattening and descending during muscle ____ The intercostal muscles are stimulated by ____ nerves External intercostals pull the ribs upward and ____ Internal intercostals are only used for ____ exhalation The parietal pleura membrane lines the ____ cavity The visceral pleura membrane lines the surface of the ____ The ____ cavity contains serous fluid to lubricate pleural membranes The first step of inhalation is the brain sending an impulse to the respiratory ____ During inhalation, the two muscles that contract are the ____ and intercostals During inhalation, the lungs take in air until inside pressure and outside air pressure reach ____ To begin exhalation, the brain ____ sending impulses Air flows out of the lungs when inside pressure is ____ than outside pressure Inhalation is an ____ process Exhalation is a ____ process RR stands for respiratory ____ IS stands for incentive ____ LS stands for lung ____ Respiration is the word for gas ____ External respiration happens in the ____ located in the ____ During internal respiration, ____ diffuses from the capillaries into the cells and ____ diffuses out of the cell and into the capillaries ____ of oxygen is transported by hemoglobin in red blood cells The amount of ____ in the blood is what triggers us to take a breath ____ of C02 dissolves into plasma The trachea has ____ rings of cartilage The bronchial tree is made up of primary bronchi, secondary bronchi, tertiary bronchi and ____ ____ muscle causes bronchi to contract and dilate to regulate airflow to alveoli There are about ____ million alveoli in adult lungs Alveoli are surrounded by pulmonary ____ for diffusion of CO2 and O2 ____ is the liquid that lines the alveoli to keep them from sticking shut Having a fever ____ your respiratory rate An ____ in metabolic rate can cause your respiratory rate to increase

Respiratory System

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