Acidosis changes the rate and depth of breathing by ____________________ it
Fill in the blank(s) with correct word
increasing
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During a lab practical, Kevin examines a tissue that is composed of densely packed protein fibers that are running parallel and form a cord. There are few nuclei and no striations, and there is no evidence of other cellular structures. Kevin identifies the tissue as skeletal muscle. Why is Kevin's choice wrong, and what tissue is he probably observing?
What will be an ideal response?
Match each term with its definition or description.
a. respiratory membrane b. respiratory mucosa c. pharynx d. larynx e. trachea f. alveoli g. surfactant h. primary bronchi i. bronchioles j. pleura k. respiratory tree l. upper respiratory tract m. lacrimal sacs n. alveolar ducts o. conchae p. lower respiratory tract 1. _____ Connects the larynx to the lung; also called the windpipe 2. _____ Small air tube that has no cartilage in its walls, only smooth muscle 3. _____ Reduces the surface tension of the fluid in the alveoli 4. _____ Contains the vocal cords and the epiglottis 5. _____ Separates the air in the alveoli from the blood in the capillaries of the lung 6. _____ Serous membrane covering the lung and the inner chest wall 7. _____ Also called the throat 8. _____ First branch off the trachea in the lung 9. _____ Lines most of the air distribution tubes 10. _____ Air sacs in which oxygen and carbon dioxide are exchanged in the lung 11. _____ Structures in the nose that help warm and humidify the air 12. _____ Term used to describe the air distribution system 13. _____ Structures from which tears drain into the nasal cavity 14. _____ Microscopic tubes that end in the alveolar sacs 15. _____ Refers to the respiratory structures outside the thorax 16. _____ Refers to the respiratory structures within the thorax
Michael is 26 years old. He becomes dehydrated after a long run if he has not drunk enough. His infant son Sean, however, becomes dehydrated fairly frequently. This difference in susceptibility to dehydration is because
A. the infant thirst mechanism is underdeveloped. B. adults drink more liquid. C. infants grow rapidly. D. infant kidneys are less able to conserve water.
The parathyroid glands produce a hormone that
A) stimulates the formation of white blood cells. B) increases the level of calcium ions in the blood. C) increases the level of sodium ions in the blood. D) increases the level of potassium ions in the blood. E) increases the level of glucose in the blood.