cardiovascular system

Created by

Lily

Cards (26)

what are the main functions of the cardiovascular system
transport and homeostasis
what are the 3 types of blood vessel
artery
vein
capillary
what is the function of the arteries
transport blood away from the heart
what are the 3 layers of blood vessels
tunica externa
tunica media
tunica intima
describe the structure of arteries
thick wall, high pressure, low volume, no valves
what type of blood does arteries carry
oxygenated
what type of artery carries deoxygenated blood
pulmonary artery
what is the function of the vein
transport blood to the heart
describe the structure of a vein
thin wall, low pressure, semi lunar valves
what type of blood do veins carry
deoxygenated
what type of vein carries oxygenated blood
pulmonary vein
describe the function of capillaries
connect arteries and veins
describe the structure of capillaries
one cell thick
form capillary bed
what shape is the heart
hollow cone
where is the heart located
in the thorax, left to the midline
what is the function of the pericardium
cushions the heart from external pressure and force
describe the structure of the pericardium
double wall sac
describe the 2 walls of the pericardium
outer-fibrous
inner-serous
what are the 3 layers of the heart from inner to outer
endocardium
myocardium
epicardium
how many heart chambers do avians contain
4
how many heart chambers do reptiles have
3
where does the right side of the heart receive blood and what type
deoxygenated blood from the systemic veins
where does the left side of the heart receive blood and what type
recieves oxygenated blood from the lungs via pulmonary circulation
what are chordae tendinae known as
heart strings
what is the function of chordae tendinae
holds atrioventricular valves in place
provides strength and flexibility
what are the 4 main structures responsible for the conduction of a heart beat in order
sinoatrial node
atrioventricular node
bundle of Hiss
perkinjee fibres