Cardiovascular System Flashcards
Describe the overall structure of the heart?
A four chambered muscular organ with two types of internal chamber, two atria and two ventricles.
Describe the overall structure of the human cardiovascular system?
Closed, double circulatory system
The middle layer of the heart is known as the
Myocardium
What is the role of the systemic circulation?
Transport of oxygenated blood to the tissues of the body
What is the role of the pulmonary circulation?
Transport de-oxygenated blood to the lungs
Which blood vessel type is the only one in which there is exchange of materials between blood within them and tissue fluid?
Capillary
How many valves control the flow of blood into and out of the ventricles of the heart?
4
What artery leaves the left ventricle?
Aorta
What is the main role of platelets?
Stop bleeding
What is the main function of white blood cells?
Defence
