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48 Cards in this Set
- Front
- Back
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functions of blood in the cardiovascular system (3)
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-transportation
-regulation -protection |
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RBC
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Erythrocytes, contain hemoglobin that carry oxygen and gases, formed in bone marrow
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WBC
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Leukocytes, protect body from invaders
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platelets
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Thrombocytes, fregmented cells, help in clotting blood
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erythroproteins
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what kidneys regulate to stimulate bone marrow to produce RBCs
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plasma
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watery liquid that contains dissolved substances
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hemostasis
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process of stopping bleeding
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mechanisms that reduce blood loss (3)
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-vascular spasm
-platelet plug formation -blood clotting |
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hemophelia
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in men, carried by mother, body doesn't produce Vitamin K
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thrombosis
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clot that can be dislodged
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flow of blood
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systemic capillaries-superior and inferior vena cava-R atrium-R ventricle-pulmonary trunk and pulmonary arteries-pulmonary capillaries-4 pulmonary veins-L atrium- L ventricle-aorta and systemic arteries-systemic capillaries
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pericardium
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triple layered sac that surrounds and protects the heart
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fibrouse pericardium
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inelastic, dense, irregular CT of the pericardium
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serous pericardium
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thinner, more delicate membrane that forms a double layer around the heart with parietal and visceral layers
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parietal layer
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outerlayer of serous pericardium
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visceral layer
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inner layer or epicardium of pericardium
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heart wall layers (3)
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-epicardium-outter layer
-myocardium-heart muscle that pumps the blood -endocardium-inner most layer |
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Atrium
Ventricle |
-recieves blood
-ejects blood |
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superior chambers of the heart (2)
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Right and Left Atriums
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inferior chambers of the heart (2)
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Right and Left Ventricles
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systole
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phase of contraction in cardiac cycle of one heart beat
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diastole
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phase of relaxation in cardiac cycle of one heart beat
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cardiac output
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amount of blood ejected from Left Ventricle into aorta per minute
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arteries
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carry blood FROM heart TO tissue
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types of arteries (3)
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-elastic
-muscular -arterioles |
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arterioles
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smaller arteries that enter tissue and branch into capillaries
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capillaries
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where substance is exchanged between blood and body through walls to venules
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venules
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collect blood from capillaries and drain it into veins
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veins
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bring blood FROM tissue TO heart
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layers of the blood vessels (4)
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-tunica externa-outer
-tunica media-middle -tunica interna-inner -lumen-hole |
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venous return
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volume of blood returned to the heart
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baroreceptors
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measure blood pressure
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chemoreceptors
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monitor blood acidity
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Renin
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hormone released by kidneys, increase total blood volume and Blood pressure
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Epinephrine/norepinephrine
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produced by adrenal glands to increase heart rate
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antidiuretic hormone
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causes vasoconstriction if there is a lot of blood loss, produced by hypothalumus and relaese from pituitary
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parathyroid hormone
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regulates circulation levels of calcium and phosphate ions in the blood, decrease blood pressure
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calcitrol
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hormone that is the active form of vitamin K, increases Blood pressure
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blood transportation in cardio
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-brings oxygen, nutrients, enzymes, and hormones to cells, takes co2 and waste away
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blood regulation in cardio
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regulates PH, adjusts body temp,ion balance
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blood protection in cardio
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protect against microorganisms and foreign bodies
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vascular spasm
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-vasconstriction of blood vessels
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platelet plug formation
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-platelets coagulate together
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blood clotting
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-coagulation when clot is gel
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Right atriums gets...
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deoxygenated blood
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Left atriums gets...
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oxygenated blood
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Right ventricle pumps...
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blood to lungs
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Left ventricle pumps...
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blood to arteries
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