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 of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Answer: A physical therapy
Explanation:
well none of the others look correct.
Answer: BMI
Explanation: Body Mass Index is used to determine whether people are at a healthy weight given their height.
Hope this helps! :)
Answer:
True, mostly because we all need jobs and money. Not every case of HIV/AIDS wasnt done on purpose. Some people might was tricked or raped.
