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48 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What does the double layered membrane of the pericardium protect?
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the heart
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The heart wall is made of what three layers?
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epicardium (outer)
myocardium (middle) endocardium (inner) |
long story
myne ended |
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what arterial system supplies blood to the heart?
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coronary
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Contractions of the muscle fibers in waht layer drive circulation of the blood in the heart?
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myodcardium
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myo
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What are the left and right chambers( atria's) separated by?
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muscular septum
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tricuspid
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between right atrium and right ventricle, three cusps, prevents blood flow in to right atrium
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mitral
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between la and lv, 2 cusps, prevents flow from lv into la. aka semilunar valve
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pulmonary
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semilunar valve with 3 cusps, between pulmonary trunk and right ventricle
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aortic vavle
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semilunar valve w/3 cusps. between aorta and lv, prevents flow from aorta into lv
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who distinguished arteries?
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herophilus
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what did herophilus think escaping air was replaced with?
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blood
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who distinguishd arterial and venuous blood?
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Galen
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where did galen think nevuous came from
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the liver
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Who was the first to accuractly descrie the cirrculation of blood?
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Ibn Nafis
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what year did ibn nafis find the right way the circulation worked?
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1268
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who located the valves?
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hieronymous
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Who had the most detailed drawings of the circulatory system?
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william harvey
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who discovered blood flow is continuous and in one direction?
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William harvey
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What does the aorta branch into?
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brachiocephalic
common carotoid artery subclavian artery |
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What shape in the aorta?
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arch
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what does the interstitual fluid re-enter the body as?
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lymph
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what are the four branches of the descending aorta?
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gastric
hepatic splenic femoral |
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What body part initiates asdn established the hearts rythm by firing action potentials at a rapid rate?
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simoatrial node
aka pacemaker |
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What graphically record the electrical activity of the heart?
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electrocardiograms ECG's
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What is the liquid matrix making up 50-60% of blood and made mostly of water?
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plasma
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what is plasma a solvent for?
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gases
nutrients proteins ions nitrogens wastes and hormones |
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what are the three plasma proteins?
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fibriginogen
albumin globulin |
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what are erythrocytes?
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rec blood cells, dsic shaped
lose nuclei |
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when do red blood cells produce that helps oxygen stick to them?
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hemogoblins
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how long do red blood cells live for?
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120 days
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What are Leukocytes?
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white blood cells
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Where are white blood cells produced?
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bone marrow or lymphoid tissue
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how do lymphiocytic leukocytes inactivate foreign substances?
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producing antibodies
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What arwe the two main groups of white blood cells?
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granulocyttes and
nongranulocytes |
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What are the 5 types of defensive leukocytes?
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neutrophils
eosinphils basophils lymphocytes monocytes |
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What do the arteries do?
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carry oxygenated blood AWAY from the heart into the capillaries
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What do the veins do?
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carry de-oxygenated blood and CO2 rich blood back to heart
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What plasma protein does the most homeostatic activity in blood?
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albumin
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What is the leading cause of death in the US?
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coronary heart disease (CHD)
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What causes an aneurysm?
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blockage and pressure that results
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Wht can be used to diagnose CHD?
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electrocardigramas
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HGH
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metabolism and growth
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TSH
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secretion of thyroid hormones
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FSH
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stimulates sperm production in men
and egg maturation and estrogen secretion in women |
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LH
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stimulate stestosterone release in men, estrogen, HORMONES
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PRL
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milk production
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ACTH
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adrenal cortex
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MHS
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increases skin pigmentation
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