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Mod D unit 1 lecture

lecture Mod D week 1

How many gallons of blood does the heart pump daily? 4,000
the heart is divided into right & left halves by the Septum
How many cambers does the heart have? 4
how much does the heart weigh? 300g/1 pound
how many miles of blood vessels do we have? 70 miles
How many times a day does your heart beat? 100,000
Your heart has 3 layers, what are they? Endocardium, Myocardium, Pericardium
what is the inner lining of the heart? Endocardium
what is the middle, muscular layer called? Myocardium
The outer sac of the heart is called? Pericardium
The pericardium has how many layers? 2, Parietal: lines the surface of the pericardial cavity. and the Visceral(epicdium) covers the hearts outer surface
What collects the most venous blood from below the diaphragm, and also receives blood from the head, neck & upper limbs? Inferior Vena Cava
Arteries Vessels that LEAD AWAY from the heart and carry OXYGENATED blood
veins they move deoxygenated blood toward the heart from the tissues; they have valves that prevent the backflow of blood
capillaries smallest vessels
what carries oxygen & nutrients? The circulatory system
Pulmonary circulation is the passage of deoxygenated blood to the lungs and back to the heart
Created by: Littleraincloud