Question

Discribe the flow of blood through the heart of human beings

Answer 1

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 of the heart.

Answer 2

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... As the ventricle contract, blood leaves the heart through the pulmonic valve, into the pumon artery and to the lungs where it is oxygenated