the heart Flashcards
why is the heart described as an organ?
An organ is a group of tissues that work together to perform a specific function - pumps blood around the body
which system is the heart, blood and blood vessels in?
the circulatory system
where is the location of the natural pacemaker in the heart?
the right atrium
what is the right artery called?
pulmonary artery
what is the left artery called?
aorta artery
what is the right vein called?
vena cava vein
what is the left vein called?
pulmonary vain
why is the circulatory system described as a “double circulatory system”?
there are 2 loops going to and from the heart
what are the 2 circuits of the circulatory system?
pulmonary circuit
systemic circuit
which side of the heart is the pulmonary circuit travel?
where does the blood travel from and to?
right side
body to lungs
which side of the heart is the systemic circuit travel?
where does the blood travel from and to?
left side
lungs to body
how many chambers does the heart have? what are they called?
4
right atrium
right ventricle
left atrium
left ventricle
why does the left ventricle have a thicker wall?
travels more blood - headed to the rest of the body
is the blood oxygenated at the cava or pulmonary vein?
pulmonary vein
is the blood deoxygenated at the cava or pulmonary vein?
cava vein
