What are the 4 chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle
What blood vessel(s) returns deoxygenated blood to the heart?
IVC and SVC
What type of cells transport oxygen in the blood?
erythrocytes
what blood vessels carry oxygenated blood away from the heart?
arteries
How many blood types are there?
8
Which chamber of the heart is responsible for pumping blood to the lungs?
right ventricle
What blood vessel(s) deliver blood to the rest of the body?
aorta
What part of the blood releases clotting factors?
platelets
Smallest blood vessels which allow oxygen and nutrients to diffuse into tissues
capillaries
What blood type is the universal donor?
O-
What valve separates the left atrium and left ventricle?
bicuspid or mitral valve
What is diastole?
This term refers to the relaxation phase of the heartbeat when the chambers fill with blood
What percentage of blood is plasma?
55%
Which artery is the only artery that carries deoxygenated blood?
pulmonary artery
What blood type is the universal receiver?
AB+
What is the heart's pacemaker?
sinoatrial node
Which chamber of the heart has the thickest muscular wall and why?
The left ventricle because the high pressure and force required to deliver oxygenated blood to the rest of the body
This component of blood is responsible for fighting infections and defending the body against foreign invaders
leukocytes or white blood cells
The only vein that carries oxygenated blood
pulmonary vein
Can someone with negative blood receive blood from a donor with positive blood? (ignore ABO group)
no
What is the myocardium?
thick muscle layer of the heart is responsible for contraction
Explain the flow of blood in the heart
Blood enters the heart through the superior and inferior vena cava, flowing into the right atrium
then through the tricuspid valve to the right ventricle
The right ventricle pumps the blood through the pulmonary valve into the pulmonary artery to the lungs, where it becomes oxygenated
oxygenated blood returns to the heart via the pulmonary veins entering the left atrium
then through the mitral valve to the left ventricle, which pumps the blood through the aortic valve into the aorta and out to the body
What do eosinophils do?
attacks parasites and can be present in response to allergies
List the structural differences between veins and arteries
Veins: thinner walls, wider lumen, have valves, low pressure
Arteries: narrow lumen, thicker walls, do not have valves, high pressure
What blood types can someone with blood type A+ receive?
O-, O+, A-, A+