Chapter 15 : The CVS Flashcards
Afferent
Ascend (reflex)
Efferent
Exit (tells brain to do something)
Sympathetic Nervous System
Fight or Flight
Parasympathetic Nervous System
Rest or Digest
Within our Efferent Division, there are 2 systems
Somatic – voluntary & starts with brain (you tell yourself to do it)
Automatic – involuntary (you do not have to tell your digestive system to digest your food, it just does )
R + L side of heart is separated by the ____________
inter-ventricular septum
cardiac muscle is also known as
myocardium
Atria on Top
Ventricles on Bottom
red is
oxygenated blood
blue is
deoxygenated blood
circulation through the chambers
deoxygenated blood enters the right atrium, then leaves into the right ventricle, leading into the lungs, oxygenated blood enters the left atrium which then goes into the left ventricle which distributes to the rest of the body
systole
ventricles contract and push blood through
diastole
ventricles relax and fill with blood
arterial system involves
aorta, arteries and arterioles – all carry oxygenated blood EXCEPT for pulmonary artery
pulmonary artery carries
deoxygenated blood
capillaries carry
both deoxygenated and oxygenated blood
venous sytem involves
venules, veins, sup/inf vena cava – all carry deoxygenated blood EXCEPT for pulmonary vein
the pulmonary vein carries
oxygenated blood
the pulmonary artery is located on the
right side of the heart
veins _________ blood back to the heart
return
arteries carry blood ______ from the heart
away
ventricles contracting
systoe