Question

choose the correct option
1.O2 poor enters the heat through the ________________
( right atrium,,, left atrium,,, right ventricle ,,, left ventricle )
2.The ________________ carries O2 poor blood to the lungs
( pulmonary artery ,,, pulmonary vein,,, carotid artery ,,, vena cava)​

Answer 1

Answer:

left ventricle

vena cava

Answer 2

right atrium for 1 st question

vena cava 2nd question