Baqa yuragining o’ng yurak bo’lmasida(I), chap yurak bo’lmasida(II) qanday qon bo’ladi va boshiga(III) qanday qon boradi?
1- arterial; 2- venoz; 3- aralash.

1. I- 1; II- 2; III- 3;
2. I- 1; II- 2; III- 2;
3. I- 2; II- 1; III- 1;
4. I- 3; II- 1; III- 1;