The muscle layer of the heart
Myocardium
The left side of the heart has deoxygenated or oxygenated blood?
oxygenated
Low blood pressure
hypotension
blood cells that contain hemoglobin which carries oxygen around your body
red blood cells/erythrocytes
The heart is in this body cavity
thoracic
Smooth layer of tissue lining the inside of the heart
endocardium
Blood vessels that are more muscular and elastic than other blood vessels, and always carry blood away from the heart
arteries
Saclike formation on the wall of an artery; rupture can mean instant death
aneurysm
What makes blood in (most) arteries bright red, and blood in (most) veins dark red/purple?
arterial blood- oxygenated
venous blood - deoxygenated
high blood pressure
hypertension
Valve between the right atrium and right ventricle that prevents blood from backing up into the right atrium
tricuspid valve
Which blood vessels connect arterioles and venules and is where exchange of oxygen and carbon dioxide take place?
capillaries
A type of anemia where some RBCs have an abnormal, curved shape and cannot carry enough oxygen
sickle cell anemia
blood cells that help clot your blood
thrombocytes/platelets
the muscular wall separating the heart into two sides
septum
Valve between the left atrium and left ventricle
bicuspid/mitral valve
The valve that prevents blood from flowing back into the right ventricle is the
pulmonary valve
leukemia
Blood cells that help fight infection
leukocytes
foreign substance or fatty deposit that travels around the body, can block circulation and cause damage or death
embolus
When the left ventricle contracts, it sends blood to the...
aorta
blood vessels that bring blood back to the left atrium fo the heart
pulmonary veins
Blockage in the coronary arteries of the heart, commonly called a heart attack
myocardial infarction
Which is correct regarding the conductive pathway of the heart?
1:SA-AV-Bundle of His-Purkinje fibers-right and left bundle branches
2:SA node-AV node-Bundle of His-right and left bundle branches-Purkinje fibers
3:AV node, SA node, Bundle of His, right and left bundle branches, Purkinje fibers
#2
The blood vessels that carry oxygenated blood are the ____________, except the _______________ which bring deoxygenated blood to the lungs.
arteries; pulmonary arteries