BSC 2086 Mid Term Review 2024 Questions and Answers

BSC 2086 Mid Term Review 2024 Questions and Answers Respiratory System - Answer️️ -The system used to carry gases between the outside air and your blood. alveoli - Answer️️ -air sacs where oxygen enters the blood and carbon dixide leaves the blood diaphragm - Answer️️ -a thin muscle below the lungs that contracts when you inhale bronchial tubes - Answer️️ -tubes that branch smaller and smaller into the lungs trachea - Answer️️ -tube that carries air from larynx (at back of mouth) to lungs cilia - Answer️️ -The tiny hairlike stuctures on linings of nose, trachea, and other parts. Helps clean air by pushing dirty mucus out. epiglottis - Answer️️ -flap of skin at top of trachea - prevents food from entering lungs inhale - Answer️️ -breathe air into lungs - diaphragm contracts exhale - Answer️️ -breathe air out of lungs - diaphragm relaxes trachea - Answer️️ -windpipe; tube through which air moves alveoli - Answer️️ -tiny sacs of lung tissue specialized for the movement of gases between air and blood lungs - Answer️️ -two large respiratory organs inside the chest where blood picks up oxygen and loses carbon dioxide bronchioles - Answer️️ -small subdivisions of the bronchi that are dead ends with tiny air sacks called alveoli at the end bronchi - Answer️️ -two short branches located at the lower end of the trachea that carry air into the lungs. epiglottis - Answer️️ -a flap of tissue that seals off the windpipe and prevents food from entering larynx - Answer️️ -voice box; passageway for air moving from pharynx to trachea; contains vocal cords diaphragm - Answer️️ -muscular partition that separates the thoracic cavity from the abdominal cavity and aids in respiration by moving up and down pharynx - Answer️️ -throat; passageway for food to the esophagus and air to the larynx diffusion - Answer️️ -the process by which molecules move from an area of higher concentration to an area of lower concentration ventilation - Answer️️ -the bodily process of inhalation and exhalation pulmonary capillaries - Answer️️ -surround the thin tissue membranes of the alveoli; site of gas exchange in blood oxygenated - Answer️️ -blood containing oxygen deoxygenated - Answer️️ -blood containing no oxygen, containing a higher concentration of carbon dioxide than oxygen heart - Answer️️ -multi-chambered, muscular organ that pumps blood throughout the body pulmonary artery - Answer️️ -carries deoxygentated blood from the heart to the lungs pulmonary vein - Answer️️ -carries oxygenated blood from the lungs to the heart vena cava - Answer️️ -One of two large vessels (superior and inferior) that return deoxygenated blood to the right atrium of the heart. atrium - Answer️️ -upper chamber of the heart that receiv