Answer is −896−899. if you need help or need to show work lemme know.
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...
30 minutes a day is the answer
Answer: Immunologists must obtain licenses, while pharmacologists do not have to. Immunologists are required to earn a bachelor's degree before medical school, while pharmacologists are required to earn a medical degree before pharmacy school.
Explanation: