Bill Paxton had a aortic aneurysm and went to have a corrective surgery, there were complication during the surgery and he died.
Will do to make its vision a reality
The circulatory system is system in the human body that provides a network through which our blood flows constantly.The human cardiovascular system is considered closed because there are no holes for blood to enter or leave the system. Correct answer: D
In the closed circulatory system the blood stays confined within the vessels and heart.
