BIOL 211 Circulation and Muscle System
BIOL 211 Circulation and Muscle System BIO 211/212
California State University, Northridge
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This 6 page Class Notes was uploaded by Ixchel Buelna on Monday September 19, 2016. The Class Notes belongs to BIO 211/212 at California State University, Northridge taught by Haig Kopooshian in Fall 2015. Since its upload, it has received 4 views. For similar materials see Anatomy in Biology at California State University, Northridge.
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Date Created: 09/19/16
Midterm 2 Circulatory System or Cardiovascular System 1. pump (pressure) A. chambers a. L/R atria (blood enters) 1. thinner and less pressure 2. pace makes on top of the RA (sinoatrial SA node) b. L/R ventricle (blood leaves) 1. thick and max amount of pressure B. valves a. atrioventricular 1. b. semilunar C. pressure - 120/80 **know the ranges** a. 120 - contract (systole) b. 80 - relax (diastole) 2. pipe A. pulmonary a. lung circulation B. systemic a. body/organ circulation 3. material moved (blood) -75 seconds for blood to be fully circulated throughout body erythythrocytes (RBC) - 5-5.5 million/mm^3 -anemic if too many -last 20 days leucocytes - identiﬁer (WBC) - 6000-9000/mm^3 -ﬁght illness -many diﬀerent types of protectors phagocytes - kill bad bacteria/infections thrombocytes (platelets) -100000-300000/mm^3 -help with blood clotting -coagulation lymphocytes - -B lymphocytes -more common -originate in bone marrow -T lymphocytes -deal with dangerous diseases - monocytes - COMPOSITION OF BLOOD (table 8.1) -most of blood is composed of water -nutrients (energy from glucose) -uric acid is a solid & block kidneys 3 TYPES OF PIPES -artery contain most pressure thick layer walls oxygenated move blood away from heart arterial system -vein not much pressure thin layer walls deoxygenated move blood towards the heart venous system -capillary basement membrane endothelial cells -skeletal muscle contracts to help aid blood back to the heart -movement always in one direction lymphoid organs (ﬁgure 21.2) • tonsils • thymus -T lymphocytes • spleen -connecting center • appendix • aggregated lymphoid nodule (in intestine) lymph nodes - collecting centers lymph glands HOW TO ID CELLS AS GOOD OR BAD (mitosis) 1. B lymphocytes A. antigen B. antibody 2. T lymphocytes A. T cell receptor VACCINES active immunity - actively involved passive immunity - someone else is involved
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