Question

Name the following-
a. Blood vessels entering the heart
b. Blood vessels leaving the heart
c. Four valves of the heart
d. Steps of heart beat

fast

Answer 1

Answer:

Five great vessels enter and leave the heart: the superior and inferior vena cava, the pulmonary artery, the pulmonary vein, and the aorta. The superior vena cava and inferior vena cava are veins that return deoxygenated blood from circulation in the body and empty it into the right atrium