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Cardiovascular System (Anatomy of the Heart (Right Ventricle- contains…
Cardiovascular System
Anatomy of the Heart
Right Ventricle- contains deoxygenated blood
Left Ventricle- contains oxygenated blood
Interventicular Septum-Divides the heart into right and left
Right Atrium- Recieves deoxygenated blood
Interventicular Sulcus- Beauty Pagent
Left Atrium- Receives oxygenated blood
Apex- Base of the heart
Major Function
Gas exchange occurrence in the lungs
Absorption of nutrients in the digestive tract
Delivery of oxygen and nutrients throughout body
Urine formation in the kidneys
Layers of Heart
Myocardium
Middle Layer of the heart
Endocardium
Inside layer of the Heart
Epicardium
Outer layer of the Heart.
Blood Flow
Travels in this order
Flows into the left ventricle through bicuspid valve
Pumped into the aorta where it is then dispersed throughout the body
Enters the left atrium though pulmonary vein
Flows into the pulmonary artery where it is taken to the lungs to be oxygenated
Enters the Pulmonary Trunk via the pulmonary semi lunar artery
As the heart "Lub Dub Boeing"(Wendt) it enters the right ventricle through tricuspid valve
Enters the right atrium of heart
Blood enters through Superior and Inferior Vena Cava
Cardiovascular System
Disorders of Cardiovascular Systems
Arrhythmia- Irregular beating of the heart
Congestive Heart Failure- Heart doesn't pump to good
Heart Attack- sudden unexpected loss of the heart's function
Congenital Heart Disease- abnormality that develops before birth
Coronary Artery Disease- disease in the major heart vessels
Major Arteries and Veins
Arteries
Pulmonary Artery- Carries deoxygenated blood to the lungs
Aorta
Brachialcephalic Artery
Left subclavian artery
Left common carotid artery
Veins
Pulmonary Vein- carries oxygenated blood back to the heart
Superior Vena Cava- carries deoxygenated blood back to the heart.
Inferior Vena Cava-carries deoxygenated blood back to the heart.
Difference in Blood Vessels
Veins
Structure
Venous Valve-Prevents blood backflow
Venous Sinuse- Flattened veins
Venules-Allow fluids into tissue
Function- Transport deoxygenated blood back to the heart
Arteries
Structures
Arterioles- control flow into capillary bed
Muscular Arteries- Deliver blood to body organs
Elastic Arteries-Thick walled with larger low resistance lumen
Function - Transport Oxygenated blood throughout the entire body