Session 7 Blood and Cardiovascular system Flashcards
11-13%
erythrocyte
primarily for transportation of O2 and CO2
Neutrophil
phagocyte
found in pus
eosinophil
defence against parasites
do not use phagocytosis
use CYTOKINASE chemical from fighting distant
fight chemically
basophil
inflammatory response
secretes a chemical called HEPARIN (anti-coagulant)
monocytes
phagocytes
platelets
blood clotting
B lymphocyte
specific immune responses
form antibodies
mature in Spleen
T lymphocyte
specific immune responses
fight directly
mature in Thymus
form effector cells
whole Blood
formed elements (45%)
plasma (55%)
buffy coat
take out clotting factors from Plasma
serum
plasma
transparent layer
alone has 91% water
7% proteins
2 % other solutes
carry medications to the cells
Buffy coat
platelets and WBCs
hematopoiesis
formation of blood cells
out found in myeloid tissue (red bone marrow)
RBCs
unique shape biconcave disc
80-120 lifespan (limited because no nucleus)
Antigen A
Antibody B
Type A
Antigen B
Antibody A
Type B
Antigen A and B
Antibody = none
Type AB
Type O
Antibody A and B
Antigen = none
louder heart sounds
closure of larger valves (left and right atrieoventricular)
softer heart sounds
closure of smaller valves (Pulmonary artery and pulmonary vein)
Flow of blood
try before you buy
Superior ven ceva -> Right atrium -> right atria ventricle valve (tricuspid valve) -> right ventricle -> pulmonary valve -> pulmonary artery -> LUNGS -> Pulmonary vein -> left atrium -> left atria ventricle valve (bicuspid/mitral) -> left ventricle -> aortic valve -> aorta
arteries
carrying blood away from the heart, High pressure
typically carries oxygenated blood
have thicker walls
high O2
do not have valve blood directly coming from heart
veins
carrying blood towards the heart,
typically carries deoxygenated blood
have thinner walls
little/no oxygen
need valves (venous valves) to close so blood does not come back (low pressure blood tries to come back in)
layers of heart
visceral/ epicardium surrounding heart itself
parietal pericardium = outer layer of cardiac