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26 Cards in this Set
- Front
- Back
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What is another name for the circulatory system?
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Transportation System
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What does the Circulatory System transport?
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Transport oxygen & nutrients to cells, transport CO2 and waste products away from cells
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What is the heart?
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A hollow, muscular organ. AKA "pump" of the body. Has 3 layers of tissue (Endocardium, Myocardium, & Pericardium). Septum separates R&L. Has 4 chambers.
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What is Endocardium?
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Intermost layer of heart tissue. Lining continues through inside of blood vessels. Allows smooth blood flow
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What is Myocardium?
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The middle, thick muscular layer
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What is Pericardium?
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The tissue that covers the outside of the heart.
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What is the Heart Septum?
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Muscular wall. Seperates R&L side. Prevents blood flow between sides.
Upper- Interatrial Lower- Interventricular |
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What are the atria?
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Upper R&L chambers of the Heart. The receiving chambers.
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What are the ventricles?
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Lower R&L heart chambers. Discharging chambers.
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What happens in the right side of the Heart?
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deoxygenated Venous blood from the body flows into R Atrium. Through tricuspid into R Ventricle. Pushes into Pulm. Artery and onto the lungs.
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What happens in the Left side?
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Oxygenated Arterial blood from Lungs flows into L. Atrium. Into L Ventricle. Pushes blood to Aorta and onto the rest of the body.
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What are the Heart Valves?
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One-way valves keep blood moving in one direction as it flows through the heart. The four valves are Tricuspid, Pulmonary, Mitral (Bicuspid), and Aortic
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How does the blood flow through the Heart?
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Oxygen poor blood enters Super.&Infer. Vena Cava. Into R. Atria. Through Tricuspid valve, into R. Ventricle. Passes Through Pulm. Valve, into Pulm Artery (only artery w/ oxygen poor blood) To the lungs. into Pulm. Viens. Into L. Atria. Passes through Bicuspid Valve. Into L. Ventricle. Passes Through Aortic Valve, into Aorta. Into the Arteries, to arterioles, into capillaries ( Where Oxygenated and Deoxygenated blood switches) and into venules. Back to the veins and cycle repeats.
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How much blood is in the body?
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5-6 quarts or 10-12 pints
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What is the Blood Composition?
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Connective tissue ( many types of cells)
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What does blood do?
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Transport Oxygen, nutrients, CO2, Waste Products, & Hormones
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What is the blood made of?
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Plasma- 90% water, subs. dissolve in "water": Proteins, Nutrients, Electrolytes, Gases, Waste, Hormones, Enzymes, & Immune cells
Solid portion- Blood cells (Corpuscles) 3 types: Erythocytes (Red Blood Cells) - live 3 months -Contains Hemoglobin: carries oxygen Leukocytes (White Blood Cells) -Several types: T&B Cells -Easily pass through Capillary Walls -Fight infection -Go anywhere in body Thrombocytes (Platelets) -When bumped clotting process starts |
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What is Endocarditis?
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Inflammation of the Endocardium
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What is Pericarditis?
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Inflammation to the Pericadrium
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What is Cardiomegaly?
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Abnormal Enlargement of the heart
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What is Artherosclerosis?
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Hardening of plaque
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What is Arteriosclerosis?
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Hardening of arteries
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What is an Aneurysm?
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Artery wall weakens resulting in stretching of the artery wall until it bursts
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What is Phlebitis?
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Inflammation of a vein wall
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What is leukemia?
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Chaotic growth of White Blood Cells
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What is Anemia?
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A deficiency of red blood cells or hemoglobin
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