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22 Cards in this Set

  • Front
  • Back
tunica
layer of tissue
arteries
carry blood away from the heart
arterioles
tiny branches of arteries
capillaries
microscopic blood vessels that outweigh all other vessels
venules
tiny vein, merge to form larger veins, carry blood toward the heart
veins
carry blood toward the heart
do humans and cats have the saem number of major branches off the aortic arch?
no
humans 3
cats 2
tunica externa
outermost tunic, supportive
tunica media
muddle coat comprised of smooth muscle and elastin
tunica intima
thin layer continuous with the endocaridum of the heart. innermost tunica
what organ serves as a respiratory/ digestive/ exretory organ for fetus?
placenta
location of heart in the thorax?
mediastinum
superior heart chambers
atria
inferior heart chambers
ventricles
visceral pericardium
epicardium
anterooms of the heart
atria
equal cardiac muscle
myocardium
provide nutrient blood to the heart muscle
coronary arteriesq
lining of the heart chambers
endocardium
actual "pumps" of the heartq
ventricles
drains blood intot he rigght atrium of the heartq
coronary sinus.
6 layers of heart in order from outermost to inner.
1. fibrous pericardium
2. parietal pericardium
3. paricardial cavity
4. visceral pericardium (epicardium)
5. myocardium
6. endocardium