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Cardiovascular System (Major arteries and Veins (Pulmonary artery- carry…
Cardiovascular System
Major arteries and Veins
Pulmonary artery- carry deoxygenated blood from right side of heart to lungs
Coronary arteries- supply blood to heart
Pulmonary Veins- carry oxygenated blood from the lungs to the heart
Layers of the heart
Viscera pericardium- inner layer of your heart
parietal pericardium- outer layer of your heart
Serous fluid-between the layers
blood vessel types
Veins
Venules move towards the heart
Capillaries
Gas exchange
Arteries
Move away from the heart
Anatomy of the heart
4 chambers of the heart- 2 Atria & 2 ventricles
Valves of the heart- atrioventricular valves (AV) ((right-tricuspid)) ((left- bicuspid))
Blood flow through the heart
Right atrium & ventricle send blood to the lungs = pulmonary ciculation
Left atrium & ventricle send blood to body system = systemic circulation
Cardiac Cycle and ECG
For every complete heart beat that is a Cardiac cycle
Measurement of heart contraction is the ECG
Major functions of the Cardiovascular system
To transport nutrients, gas and waste.
Protect against infections and blood loss