Question

Blood from the body enters the right
through a large blood vessel
called the
Blood from the lungs enters the left atrium through the
vein. The atria contract together pushing blood into the ventricles. From​

Answer 1

Answer:

1) Right Side

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.

2) pulmonary veins.

3) During atrial systole, the atria contract, pushing blood into the ventricles.