Cellular Components bsc 1005
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This 6 page Class Notes was uploaded by Leah Burkett on Sunday September 6, 2015. The Class Notes belongs to bsc 1005 at Florida State University taught by Carolyn Schultz in Fall 2015. Since its upload, it has received 12 views. For similar materials see General Biology in Biological Sciences at Florida State University.
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Date Created: 09/06/15
Cellular components of Blood New White Blood cells come form red marrow of bone gt New WBC come from stem cells that divide replicate and Red Blood Cells RBCs White Blood Cells WBCs Specialize I differenced lnto Platelets WBCC Occurs ln red marrow of Platelets thrombocytes are cells fragment produced by 1gt What are the cellular megakaryocytes components of blood Platelets are involved in blood clotting B Platelets C White Blood Cells WBCs D Red Blood Cells 0 New Platelets come from red bone marrow Megakaryocytes come from stem cells that divide and specialize into megakaryocytes Both processes occur in red marrow L I Blood Plasma Composition OWater OEectrolytes ions 39 f Ex Sodium Chloride calcium Magnesium and Potassium 0Smal Molecules 0Protiens 0Chemica Signals hormones Maior proteins in blood plasma c 47 Plasma Dissolved gasses 02 and C02 also N2 Food molecules and metabolic wastes H White blood cells 1 1 Va Plateats Some are proteins bl dl SENS Albumins Globulins Includes antibodies Hbdnogen Blood clotting with Platelets Lipoproteins assemblies Apolipoproteins lipids including cholesterol HDL cholesterol LDL cholesterol Protein Hormones NOTE H19 and Carbonic anhydrase are Within RBC not plasma proteins Blood Clotting coagulation involves both Platelel and brinogen globulins that help protect against infections 0 A protein component of the immune system to produce antibodies against new infections Bendits indiViduals and SOCiEty39 When you encounter someone With the I infection after you have received the gt vaccine than your body Will have a stronger reaction and prevent you from Heat transport by blow a d 3399 i getting as sick as you would have been regulation of body temperature On a Hot Day blood vessels dilate vasodilation resulting in increases heatloss On a Cold day Blood vessels constrict vasoconstriction resulting in heat conservation N All the of the following are Cancers and cardiovascular disease are funCtiOHS 0f bIQOd except the top two killers in the developed world A coagU39atlon What is caner Cancer cells when cells 3 Tra sport 0f carbon I Dioxide multiply at abnormally hIgh rate I Protection against 0 Several types of cancer involve abnormal Infections C production of WBCs D Cancer cells do not function normally 39 r can also affect production of RBCs and platelets Some treatments for cancer decrease WBC count Metastasis cancer cells travel in the body from a tumor to other parts of the body 0 Not Blood Blood circulates in blood vessels of the cardiovascular system Lymph forms from uid between the cells interstitial uid Lymph travels in vessels of the lymphatic system and eventually ends up mixing with blood Travels one way does not circulate lie blood CARDIOVASCULAR PHYSIOLOGY The heart and vasculature Cardiovascular system Blood Heart Vasculature blood 0 Pump of CV system Cardiac muscle Blood vessels that supply blood to heart muscle 0 4 chambers and ventricle Pump oxygenate blood to all parts of body except lungs More muscular 0 and ventricle Pump deoxygenated blood to the lungs Circulation of Blood is pumped through the body in a circuit one way route 0 Pulmonary circulation top Right atrium and ventricle pump de oxygenated blood white to lungs 02 gained and C02 released in lungs Oxygenated blood gray returns to left atrium Systemic Circulation bottom Left atrium and ventricle pump oxygenated blood gray to al parts of body except lungs Tissues use 02 and produce C02 Deoxygenated blood white returns to right atrium When they work correctly valves in the heart A Maintain the structure of the heart C Keep the heart beating strongly D Allow plasma but not cellular components of blood to pass by Question Brie y describe one difference between blood and lymph Brie y describe way we say that blood circulates in the circulatory system Blood consists of both cells and plasma while lymph is just uid Blood continuously ows M while a lymph only ows one way Blood ows through a circuit which is how it got Electrical the name circulate The sinoatrial SA node in the right ventricle is also called the heart s A Electrical delay generator B B Electrocardiogram C Cellular Electrocardiogram ECG or EKG electrical activity of heart measured outside the body Cardiac Cycle Mechanical 0 Heart is relaxed Atria and ventricle ll with blood Valves open between atria and ventricle Valves closed between ventricles and arteries Mechanical 0 Heart contracts Atria pump blood into ventricles D Valves open between atria and ventricles lastole Left ventricle 7 12 Ventrlcles eject blood Into art39erles I Valves closed between atrIa and ventricles Left atrium 50 wed Valves open between ventricles and arterIes d0 WI Systoe 30 125 Much higher on the left side because the left side is more muscular Heart sounds upduppquot are from changes in blood motion as valves close and open Your heart A Is the mixing place for air and blood C Does not have blood vessels in the cardiac muscle tissue The mount of blood your heart pumps in 1 minute is our Cardiac Output CO COSV x HR SV stroke volume 0 Volume of blood pumped by one heartbeat HR heart rate 0 Number of times heart beats in 1 minute EXAMPLE at rest Heart sounds that you hear when you listen through a stethoscope or place your ear Control of Heart Rate over someone s heart 0 Heart rate HR and cardiac output CO change to supply A Are caused by the electrical adequate 02 to and remove wave hectic is measured as C02 from organs and tissues an electrocardiogram ECG including brain and muscle B Are not related to the 0 Structures in major arties of Electrical and mechanical part of the cardiac cycle systemic circulation detect changes in blood C02 and 02 Nervous system releases neurochemicals that can either increase or decrease SA node activity D Have an unknown origin Alter heart rate HR Thelheart is the I Also in uence speed of contraction mIXIng place for aIr and blood Blood Circulation through the cardiovascular system A True B Vasculature tubes of the cardiovascular system Arteries capillaries and veins 3 structural components Connective tissue Smooth muscle Endothelium
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