CSD 201 Exam 2 || 100% correct answers.

Define respiration. correct answers gas exchange between an organism and its environment. Define breathing. correct answers process of moving air in and out of the lungs. Speech production requires a _________ (mechanical) function of the respiratory apparatus. correct answers "non-respiratory" Aire flow from areas of ____ pressure to areas of ____ pressure. correct answers high to low pressure. What is the main way air flows from the environment to the lungs? correct answers Pressure differences What is Boyle's Law. explain. correct answers P1V1=P2V2 -Greater volume, lower pressure. -smaller volume, higher pressure. Pressure greater than atmospheric is? correct answers positive (so, pressure less than atmospheric is negative) The lungs lie in the airtight _____ cavity and communicate with the outside air by way of the _____ _____ white volume can be increased or decreased. correct answers -thoracic -respiratory tract Describe the process of inspiration and volume/pressure changes. correct answers Increased thoracic volume results in negative pressure. Air rushes into the lungs until air pressure equalizes. Describe the process of expiration and volume/pressure changes. correct answers Decreased thoracic volume results in positive pressure. Air will flow out of the lungs until air pressure equalizes. What are the parts of the Upper respiratory tract? (4) correct answers 1. nose 2. nasal passages 3. Paranasal sinuses 4. Pharynx(throat) What are the parts of the lower respiratory tract? (7) correct answers 1. larynx 2. trachea 3. bronchi 4. Bronchioles