the heart Flashcards
circuit where CO2 goes into the lungs
pulmonary
circuit where O2 goes to the body
systemic
where does oxygenated blood arrive to in the heart
what carries this
left atria
pulmonary veins
where does oxygen poor blood enter the heart
what carries it
right atria
vena cava
blood sent to organs via the _____
blood sent to the lungs via _____
aorta
pulmonary trunk
ventricle responsible for systemic circulation
ventricle responsible for pulmonary circulation
left
right
vena cava are _____ circulation
systemic
a good rule for if something is in the pulmonary circuit:
if it has the word pulmonary in it
where is the heart located
mediastinum between the lungs
the wide, superior part of the heart where large blood vessels attach
the base
the tapered inferior part of the heart that tilts to the left
apex
how much does an adult heart weigh
how wide is it at the base
how tall is it
at any age, the average size of the heart is equal to the persons ______
10 oz
3.5 in
5 in
fist
what is the shared wall between the left and right side of the heart
septum
the force of the chamber is correlated to its _____
thickness
what chamber has the thickest wall
the left ventricle
what chamber has a large volume
right ventricle
what rib is the sternum attached to
3rd
what sits just below the heart
the diaphragm
what is the double walled sac that encloses the heart
the pericardium
the pericardium allows:
the heart to beat without _____
room to _____
resists ______ expansion
friction
expand
excessive
what is the pericardium anchored to
inferiorly:
anteriorly:
diaphragm
sternum
what is are the two major parts of the pericardium
fibrous pericardium
serous pericardium
what are the layers of the pericardium from external to internal
parietal layer
visceral layer