life processes Flashcards
other name of thrombocytes
platelets.
named thrombocytes caus of coagulation factors of proteins, which are present in platelets
location of formation
1.rbc
2.wbc
3.platelets
- liver and spleen(fetal) and RED bone mrrow
- RED bone marrow and lymphatic tissue
- red bone marrow
lifespan and function of rbc,wbc and platelets
rbc: 4 months and transports gases
wbc: varied involved in immunity
platelets: 7-10 days and coagulation
what does lymph nodes and spleen filters. what does filtering do.
nodes filter lymph and spleen filters blood.
it exposes blood to the lymphocytes and macrophages that destroy foreign particles.
phases of heartbeat.
valves and chambers of heart
diastole;
both atria and ventricles relax.
AV valves open SL close
atrial systole;
AV valves open SL close.
atria contracts,ventricles relaxed.
ventricular systole;
AV close(lubb) SL open and close at end(dubb)
atria relaxed both v’s contract.