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Human Biology Exam 3 questions well answered to pass
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Human Biology Exam 3 questions well answered to pass
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Human Biology Exam 3Inspiration or inhalation - correct answer ✔✔air is conducted towards the lungs
expiration or exhalation - correct answer ✔✔air is conducted away from the lungs
ventilation - correct answer ✔✔another term for breathing which includes inspiration and expiration
4 levels of respiration - correct answer ✔✔breathing, external respiration, internal respiration and
cellular respiration
as air moves towards the lungs it is - correct answer ✔✔cleansed warmed and moistened
as air moves out of the the lungs it - correct answer ✔✔cools and deposits moisture on the lining of the
trachea and the nose
the nose contains __ nasal cavities separated by a _____that empty into the _____ - correct answer
✔✔two, septum, nasopharynx
Tear Glands - correct answer ✔✔drain into the nasal cavities
Auditory tubes - correct answer ✔✔lead from the nasopharynx to the middle ears
Throat is the common name for the? - correct answer ✔✔pharynx
Three sections of the pharynx - correct answer ✔✔nasopharynx, oropharynx, and laryngopharynx
nasopharynx - correct answer ✔✔nasal cavities open above soft palate
,oropharynx - correct answer ✔✔oral cavity opens
laryngopharynx - correct answer ✔✔opens into the larynx
Larynx - correct answer ✔✔a passageway for air between pharynx and trachea
larynx moves against the ____ preventing food from passing into the larynx - correct answer
✔✔epiglottis
the larynx houses the - correct answer ✔✔vocal cords
trachea - correct answer ✔✔tube held open by cartilaginous rings connecting the larynx to the primary
bronchi
trachea divides into - correct answer ✔✔left and right primary bronchi
bronchi branch into the - correct answer ✔✔bronchioles
bronchiole leads to - correct answer ✔✔air pockets or alveoli
alveolus - correct answer ✔✔functional unit of respiratory system
the right lung has ____ lobes and the left lung has ____ lobes - correct answer ✔✔three, two
each lobe in the lung is divided into ____ further divided into _____ then ______ - correct answer
✔✔lobules, bronchioles, alveoli
lungs are enclosed by two membranes - correct answer ✔✔pleura membranes
, parts of the thoracic cavity - correct answer ✔✔rib cage forms top and sides and the diaphragm forms
the floor
intrapleural pressure - correct answer ✔✔less than atmospheric pressure
Where the respiratory control center is located and what does it trigger? - correct answer ✔✔medulla
oblongata, inspiration
Inspiration is what phase of breathing? - correct answer ✔✔Active phase
Stretch receptors in lungs do what? - correct answer ✔✔send inhibitory messages to respiratory center
When the respiratory control center stops sending signals what happens? - correct answer ✔✔the
diaphragm and rib cage relaxes
expiration is usually what? - correct answer ✔✔passive
Tidal Volume - correct answer ✔✔amount of air that moves in and out with each breath
Vital Capacity - correct answer ✔✔maximum amount of air that can be moved out in a single breath
Inspiration can be increased by.... - correct answer ✔✔expanding the chest or the inspiratory reserve
volume
expiration can be increased by... - correct answer ✔✔contracting the abdominal and thoracic muscles
(expiratory reserve volume)
Residual volume - correct answer ✔✔air remaining in the lungs after deep exhalation
Dead space - correct answer ✔✔part of the air passage ways in which inspired air never reaches lungs
and is not used for gas exchange
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