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Biol 215 Exam 3 Questions And Correct Answers 100% Verified.
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Biol 215 Exam 3 Questions And Correct Answers 100% Verified. Movement of air into and out of the lungs - Answerventilation movement of substances to and from tissues - Answerrespiration gas exchange between air in lungs and blood - Answerexternal respiration transport of oxygen and carbon diox...

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  • January 21, 2025
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • biol 215 exam 3 questions and correct answers 100

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Biol 215 Exam 3 Questions And Correct
Answers 100% Verified.


Movement of air into and out of the lungs - Answer✔ventilation

movement of substances to and from tissues - Answer✔respiration

gas exchange between air in lungs and blood - Answer✔external respiration

transport of oxygen and carbon dioxide in the blood - Answer✔gas transport

gas exchange between blood and tissues - Answer✔internal respiration

secondary respiratory system functions - Answer✔1. Regulation of blood pH
2. Production of chemical mediators
3. Voice production
4. Olfaction
5. Protection

Altered by changing blood carbon dioxide levels - Answer✔regulation of blood pH

Production of chemical mediators: - Answer✔ACE (angiotensin converting enzyme)- produced
in lungs

Movement of air past vocal folds makes sound and speech - Answer✔voice production

Smell occurs when airborne molecules are drawn into nasal cavity - Answer✔olfaction
against microorganisms by preventing entry and removing them from respiratory surfaces -
Answer✔protection

Structural divisions of the respiratory system - Answer✔upper respiratory tract and lower
respiratory tract

functional divisions of the respiratory system - Answer✔conducting zone and respiratory zone

site of air movement - Answer✔conducting zone

site of gas exchange between air and blood - Answer✔respiratory zone

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, ©THESTAR 2024/2025 ALL RIGHTS RESERVED.

upper respiratory tract pathway - Answer✔nose/nasal cavity>nasopharynx>oropharynx>
laryngopharynx>larynx>trachea

lower respiratory tract pathway - Answer✔main bronchi> lobar bronchi (secondary)>
segmental (tertiary)>bronchioles - all conductivity. >alveoli- respiratory.

From nares to choanae - Answer✔nasal cavity

just inside nares - Answer✔vestibule

floor of nasal cavity - Answer✔hard palate

bony ridges on lateral walls with meatuses between - Answer✔choncha. (turbinate in lab)

functions of nasal cavity - Answer✔passageway for air
cleans air
humidifies/warms air
smell
resonating chambers for speech (along w paranasal sinuses)

psuedostratified columnar epithelium- just air - Answer✔nasopharynx

lined w moise stratified squamous epithelium- food and air - Answer✔oropharynx
lined w moist stratified squamous epithelium. epiglottis to esophagus -
Answer✔laryngopharynx

unpaired cartilages - Answer✔thyroid- largest. adam's apple
cricoid- most inferior, base of larynx
epiglottis- attached to thyroid and has a flap near base of tongue, composed of elastic cartilage

paired cartilages - Answer✔arytenoid- attached to cricoid

Ligaments extend from - Answer✔arytenoids to thyroid cartilage

vestibular folds aka - Answer✔false vocal folds

true vocal cords (vocal folds) - Answer✔sound production

opening between the vocal folds - Answer✔glottis

functions of larynx - Answer✔open passageway for air, prevent food from entering larynx,
sound production, traps debris
windpipe
membranous tube of connective tissue and smooth muscle

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