Smoking had been linked to one out of every 5 deaths
Answer:
Randomly hopped on your profile. No clue what this means but I need some points so this is going to be considered a very smart answer.
Explanation:
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...
The answer to this question is : D.