Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Explanation:
hope this helps...
and if u didn't get it its veins...
Answer:
adults over 21 who use acohol responsibly
Explanation:
1, and 2 are the answer and by one and 2 I mean the first 2 statements