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ANATOMY AND PHYSIOLOGY, RESPIRATORY SYSTEM EXAM QUESTIONS WITH COMPLETE SOLUTIONS LATEST UPDATE GRADED A+ $9.49   Add to cart

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ANATOMY AND PHYSIOLOGY, RESPIRATORY SYSTEM EXAM QUESTIONS WITH COMPLETE SOLUTIONS LATEST UPDATE GRADED A+

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ANATOMY AND PHYSIOLOGY, RESPIRATORY SYSTEM EXAM QUESTIONS WITH COMPLETE SOLUTIONS LATEST UPDATE GRADED A+ Lungs (alveoli); millions of thin-walled, microscopic air sacs in lungs; exchange gases with the bloodstream through the alveolar wall and then flows back out Gas exchange Located outside ...

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  • June 23, 2024
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  • 2023/2024
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ANATOMY AND PHYSIOLOGY, RESPIRATORY SYSTEM EXAM

QUESTIONS WITH COMPLETE SOLUTIONS LATEST UPDATE GRADED A+


Lungs (alveoli); millions of thin-walled, microscopic air sacs in lungs; exchange

gases with the bloodstream through the alveolar wall and then flows back out

Gas exchange

Located outside of chest (nose, pharynx, larynx)

Upper respiratory tract

Located in thorax (trachea, bronchi, and lungs)

Lower respiratory tract

Nose, pharynx, larynx, trachea, bronchi, bronchioles, alveoli/lung, pleura

Respiratory structures, tissues

3 nasal conchae; project from lateral walls toward septum; cleans, warms and

moistens air

Major structures in nose

Warms, cleanses, and humidifies inhaled air; detects odors in the air stream;

serves as a resonating chamber that amplifies the voice

Functions of nose

A muscular funnel extending about 13 cm (5 in) from the nasal cavity to the larynx

Pharynx (throat)

posterior to nasal cavity and above soft palate; receives auditory

(pharyngotympanic/eustachian) tubes and contains pharyngeal tonsil

Three regions of pharynx: nasopharynx

, Space between soft palate and epiglottis; contains palantine tonsils; shared by

respiratory and digestive system

Three regions of pharynx: oropharynx

Epiglottis to espohagus; food, drink and air pass through here; shared by

respiratory and digestive system

Three regions of pharynx: laryngopharynx

Primary is to keep food and drink out of airway; additional role in speech

Larynx functions

Epiglottis; thyroid cartilage (adam's apple); vestibular folds; vocal cords (glottis)

Larynx structures

Flap of tissue that guards the superior opening of the larynx; at rest, stand almost

vertically; during swallowing, closes airway like a trap door and directs food to

the esophagus behind it

Epiglottis

Largest laryngeal prominence (adam's apple); shield-shaped; testosterone

stimulates growth, larger in males

Thyroid cartilage

Produce sound when air passes between them; loudness determined by the ofrce

of air passing between the vocal cords

Vocal cords (inferior)

the vocal cords and the opening between them

Glottis

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