Chapter 12: Structure and Function of the Respiratory System Flashcards
adenoid/o
adenoid
alveol/o
alveolus
bronch/o. bronchi/o
bronchus
capn/o
carbon dioxide
epiglott/o
epiglottis
laryng/o
larynx
lob/o
lobe of the lung
mediastin/o
mediastinum
nas/o
nose
or/o
mouth
ox/o, oxi-, oxy-
oxygen
pharyng/o
pharynx
phon/o
voice, sound
phren/o
diaphragm
pleur/o
pleura
pneum/o, pneumon/o
air, lung
rhin/o
nose
sir/o
breathing
steth/o
chest
thorac/o
thorax, chest
tonsill/o
tonsils
trache/o
trachea
the _____ ______ is the body’s breathing system.
respiratory system
_____ ______, breathing or exchanging air between the body and the outside environment.
external respiration
_____ _______, the bringing of oxygen to the cells and removing carbon dioxide from then, happens in the circulation of blood throughout the body.
internal resperation
_____ is the organs where oxygenation of blood takes place
lungs
the ______ ______ is the passageways through air moves in and out of the lungs
respiratory tract
what is the respiratory tract also known as? the _____
airway
the ______ is the route through which air enters the lungs and the route via which air exits the body.
airway
_____ (breathing in or ______) brings air from the outside environment into the _____ or mouth.
inspiration; inhalation; nose
what are the three functions of the nose
to warm, filter, and moisten the air
the ______ (also called the ______) are the two external openings at the base of the external portion of the nose.
nostrils; external nares
the external nose is supported by the nasal bones and is divided into two halves by the _____ _____, a strip of cartilage.
nasal septum
after air enters the nose, it passes into the _____ ______, where it is warmed by blood in the mucous membranes that line these areas.
nasal cavity
_____ (hairs) in the nasal cavity filter out foreign bodies.
cilia
the air reaches the _____ ( ______), which is a passageway for both air and food.
pharynx; throat
the _____ lies above the _____ ______, which is a flexible muscular sheet that seperates the nasopharynx from the rest of the pharynx.
nasopharynx; soft palate
the nasopharynx known as the ______ _______, more commonly known as the _____, which aid in the body’s immune defense.
pharyngeal tonsils; adenoids
______, the back portion of the mouth. It contains the _____ ______, lymphatic tissue that works as part of the immune system.The part of the mouth triggers swallowing.
otopharynx; palatine tonsils
_____ is the post that the respiratory tract divides into the esophagus, the passageway for food and the _____ or ____ ____, through which air passes through the _____ or ______
laryngopharynx; larynx; voice box; trachea; windpipe
food is prevented from going into the larynx by the ______, a loving flap of cartilage that covers the opening to the larynx (called the _____) every time one swallows.
epiglottis; glottis
the larynx contains _____ ______, strip of epithelial tissue that vibrates when muscular tension is applied.
vocal cords
the larynx is supported by various cartilaginous structures, one of which consists of two disksjoined at an angle to form the _____ ______ or _______ ______ (larger in males than females)
thyroid cartilage; adam’s apple
the ______ is a cartilagnious and membranous tube that connects the larynx to the righ and left _____ (plural of _____), the tubular branches into which the larynx divides.
trachea; bronchi; bronchus
the point at which the trachea divides is called the _____, a general term for a median area, especially one with a _____, or cartilaginous division.
mediastinum; septum
air that is pushed out of the lungs travels up through the respiratory tract during _____ (breathing out or ______), where it is expelled into the environment.
expiration; exhalation
the bronchi further divide into many smaller branches called _____.
bronchioles
each air sac is called an ______ (plural, _____).
alveolus; alveoli
the lungs take up most of the thoracic cavity (or _____), reaching from the collarbone to the diaphragm.
thorax
the outside of the lungs has a moist, double layer of membrane called the _____ (plural, _____).
pleura; pleurae
the outer layer, the ______ ______, lines the thoracic cavity, the inside of the ribs.
parietal pleura
the inner layer, the _____ ______, covers the surface of the lungs.
visceral pleura