CARDIOVASCULAR Flashcards
the bigger the mammal
the slower the heart rate
a healthy heart rate pumps how many liters per min
5 liters
What allows blood to circulate to the body
Blood vessels
the cardiovascular system deliver oxygen and nutrients to remove ___
carbon dioxide
Location of heart
thorax between lungs
apex toward to left hip
size of heart
14 cm long
9cm wide
the heart is __ pumps in ___
2 pumps in 1
the right side of the heart pumps blood
to the lungs through and back to the left side; pulmonary circulation
the left side of the heart pumps blood to the
other tissues to the body back to the right side through systematic circulation
functions of the heart
generate blood pressure
routes blood
ensures one way blood flow
regulates blood supply
pouch surrounding the heart ; double layered sac anchoring and protecting heart
pericardium
2 types of pericardium
fibrous
serous
outer side
fibrous
inner side
serous
2 layers of serous
parietal
visceral
fluid between parietal and visceral layer
serous fluid (promote cushion)
membrane around hearts cavity
parietal pericardium
membrane on hearts surface
visceral pericardium
space between parietal and visceral
pericardial cavity
3 layers of heart
epicardium
myocardium
endocardium
extend around heart; separate atria from ventricles
coronary sulcus
extends inferiorly from coronary sulcus to the anterior surface of heart
anterior interventricular sulcus
arteries goes
down
veins go
UP
extends inferiorly from coronary sulcus on the posterior surface
posterior interventricular sulcus
pushes blood to ventricles
atria
separate l & r atria
interatrial septum
separates r & l ventricles
interventricular septum