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what specific cavity contains the lungs?
pleural cavity
the sac that surrounds and protects the heart?
pericardium
the circulatory system works with the __ system to obtain energy from nutrients
digestive
larynx
nasal cavity
pharynx
trachea
which of the following is the correct order that air would flow during inhalation
2, 3, 1, 4
the drawing in of breath; inhalation of breath
inspiration
clusters of tiny air sacs that allow the exchange of oxygen
alveoli
what causes change in pressure when we breathe?
diaphragm movement
the blood in the vena cava is…
deoxygenated, returning to the heart
muscular structure that helps to expand and contract the lungs
diaphragm
type of device that measures the electrical current
ECG / EKG
this is a tube about 12 cm long with c- shaped rings of cartilage
trachea
the relaxing / filling stage of the cardiac cycle?
diastole
what is the smallest type of cell in the blood called?
erythrocytes
arteries always carry oxygenated blood
false
instrument used to measure blood pressure
sphygmomanometer
an open circulatory system is one that has
not distinction between blood and tissue fluid
which part of the respiratory plays a major role in
larynx
lung volume might vary because of
all of these
Barbara has asthma and uses an inhaler when she started to wheeze
enlarge the bronchioles
the circulatory system works with the __ system to
respiratory
blood circulation from the heart to the rest of the body is called
systemic
__ function in the life-saving process of clotting blood
platlets
what structure is a passageway for both food and air?
pharynx
mr. arnot is a heavy smoker with a chronic cough, bluish tint to his skin, he suffers from
emphysema
what is the function of the respiratory system
take in O2 and remove CO2
how many lobes does the left lung have? right lobe?
R:3 ; L:2
a blood clot (could be physical material or an air bubble) that travels
embolism
coronary arteries…
supply the heart muscle cells with a supply of blood
an abnormal widening / ballooning of a portion of
aneurysm
structure (s) that keep the blood flowing in one direction
valves
this chamber of the heart RECEIVES blood returning from the system
right atrium
flap of tissue that covers the opening to the windpipe
epiglottis
breathing out ; exhalation of breath
expiration
arteries always carry blood away from the heart
true
the 2 short tubes that form after the main tube leading into the lungs branches
bronchi
this is the structure in your airway that has 2 pairs of vocal cords and speech
larynx
__ are the smallest blood vessels
capillaries
blood traveling in veins is blue
false
the left lung has 3 lobes and the right lung has 2
false
the contraction / emptying phase of the cardiac cycle
systole
what is pulmonary circulation?
blood traveling to and from the lungs
which is NOT a function of the circulatory system?
break down carbohydrates into glucose
the mammalian heart has __ chambers
4