ping test 1 part 1 Flashcards
function of heart:
pump blood
if 10% of the heart doesn’t work what needs to happen
pacemaker
after consumption of nutrients?
goes into blood
what carries nutrients throughout the body?
blood
glucose is turned into what?
ATP
the functional cardiovascular system is vital for?
- supplying oxygen and nutrients in blood TO tissues
- shipping CO2 and waste AWAY from tissues
- making ATP
the heart is located in what cavity and above what?
thoracic cavity and above diaphragm
top to bottom of the heart sits between what ribs
2nd and 5th
does the heart sit directly in the middle of your chest?
no in MOST 2/3 to the left side and 1/3 on the right
where does the heart sit?
in mediastinum between 2nd rib and 5th intercostal space (middle of two lungs)
the heart is on what surface of the diaphragm
superior
2/3 of the heart is left of what?
midsternal line
what part of the heart is anterior to the esophagus?
the left atrium
what surrounds the heart?
pericardium (membrane around the heart)
layers of pericardium in order
fibrous
serous
* parietal and visceral
what is the function of fibrous pericardium
superficial layer, protects, anchors to surrounding structures, and prevents overfilling
what do the parietal and visceral pericardium layers have in between them?
fluid
describe serous pericardium
deep and two-layered
where is the parietal pericardium located?
lines the internal surface of the fibrous pericardium
where is the visceral pericardium located?
epicardium, on external surface of heart
