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3 Types of Capillaries
- Continuous,
- Fenestrated,
- Sinusoid
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System of Blood Vessels that Carries blood from the Right Ventricle of the Heart to the Lungs and back to the Left Atrium of the Heart
Pulmonary Circulation
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The System of Vessels that carries blood from the Left Ventricle of the Heart to the Tissues of the Body and back to the Right Atrium
Systemic Circulation
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Carries blood away from the Heart
Arteries
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Passes superiorly from the Left Ventricle, Right and Left Coronary Arteries
Ascending Aorta
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Also called Conducting Arteries
-Elastic Arteries
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Thin Transparent layer of the heart wall
Epicardium
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Thin layer of the endothelium overlying a thin layer of connective tissue.
Endocardium
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Makes up about 95% of the Heart and it is responsible for its pumping action
Myocardium
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Four Chambers of the Heart
- Right Atrium,
- Left Atrium,
- Right Ventricle,
- Left Ventricle
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Four Valves of the Heart
- Pulmonary Semilunar valve,
- Mitral Valve,
- Tricuspid Valve,
- Aortic Semilunar valve
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Characteristics of a Cardiac Muscle
- Striated,
- Single Nucleus,
- has Branches,
- Involuntary,
- has intercalated disks
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It is a record of electrical events in the heart.
Electrocardiogram
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Instrument that is developed to listen to the sounds of the heart and lungs.
Stethoscope
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Relationship between preload and strive volume.
Starling’s law of the heart
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Volume of blood pumped by either ventricle of the heart each minute
Cardiac Output
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Number of times the heart contracts each minute.
Heart Rate
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Mechanisms contained within the heart.
Intrinsic Regulation
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Major veins of the head and the neck
External and Internal Jugular Veins
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Returns blood from the head, neck, thorax and upper limbs to the right atrium of the heart
Superior Vena Cava
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When the ventricle relax, blood pressure in the arteries falls to a minimum value called
Diastolic Pressure
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When the ventricle contract, blood is forced into the arteries, and the pressure reaches the maximum value called
Systolic Pressure
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The standard blood pressure for a resting young adult male for the systolic pressure
120mm Hg
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The normal platelet count per microliter of blood
250,000-400,000
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The normal white blood count for every microliter of blood
5,000-10,000
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Also known as the universal donor
blood type O
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Precursor cells capable of dividing to produce daughter cells that can differentiate into various types of blood cells
Hemocytoblasts
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The normal red blood count for every microliter of blood for females
4.2 million-5.4 million
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