Sagot :
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. Blood leaves the heart through the aortic valve, into the aorta and to the body.
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. Blood leaves the heart through the aortic valve, into the aorta and to the body.