teodor
1)aflam cantitatea de sange pe care o are persoana:
8/100x70=5,6L sange,dar cum 1L=1Kg =>5,6kg sange (ca sa lucram in kg)
2)aflam cata plasma are:
55/100x5,6=3,08 kg plasma
3)aflam cantitatea de proteine plasmatice:
7/100x3,08=0,21 kg proteine
4)aflam cantitatea de fibrinogen:
7/100x0,21=0,0147 care da aprox 0,015