Introduction to Movement and Physiology
Introduction to Movement and Physiology bsc 1005
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This 4 page Class Notes was uploaded by Leah Burkett on Saturday August 29, 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 108 views. For similar materials see General Biology in Biological Sciences at Florida State University.
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Date Created: 08/29/15
Physiology is the Science of Biological Function 0 How does your body deliver oxygen 02 and nutrients to all of your cells 0 How does your body remove the waste such as carbon dioxide C02 0 How do your muscle work allowing you to move and your heart to pump 0 How does your body continue functioning normally and adapt when conditions change I Human Physnology Homeostasis From atoms and ions Maintaining a constant internal environment mommies CGHSI tissues organs organ systems 0 people 171 t gr l 39ib ll g 5 n I lit 139 v 13 l g 39 i2 V EXAMPLE increasing blood supply and oxygen 02 to muscle during exercise maintains energy needed for muscle contraction LIMIT if not enough 02 is supplied muscles produce lactic acid EXAMPLE Maintaining body temperature in cold environments MECHANISMS reduce heat loss by reducing blood ow to skin increase heat production by shivering muscle contractions Pathophysiology Learning about Pathophysiology understand disease mechanisms understand out body s response to Homeostasis is disease nd treatments and cures be more understanding 0 and helpful to people we know B The ability of some Biomedical research is helping us to organisms to navigate understand normal and pathophysiology aCI OSS long distances with bene ts for individuals families and C Changing internal society environment to match the external environment D The ability of some organisms to remain in their hnmo onuir nnmonl39 Cellular components of blood Cells Red blood cells White blood cells Platelets cell fragments Plasma Water electrolytes ions and small molecules lncludes gasses 02 and C02 food molecules a metabolic wastes Proteins Chemical signals hormones my Some are proteins and others are bound to proteins e hifP leeme Hematocrit E e White bleed evelie Pietelete Red blood cells RBCs Erythrocytes White Blood Cells WBCs Leukocytes Platelets Thrombocytes u Red bleed eelle Red blood cells are specialized to transport oxygen Bi concave shape Short diffusion distance for 02 Cytoskeleton protein spectrim maintains shape Like the frame of a binding 02 transport in blood Dissolved in plasma and cytoplasm of blood cells Bound to hemoglobin Hb RBCs are lled with lots of Hb RBC has no nucleus more room for Hb Myoglobin and hemoglobin Hb are 02 binding proteins in muscle and blood Myoglobin binds 1 02 Hb binds 2 02 cooperatively binding 1 02 increases the binding of the rest a Picture Red blood cells also participate in carbon dioxide transport Carbon dioxide transport in blood dissolved in plasma and cytoplasm of blood cells bound to Hb after it has released 02 converted to carbonic acid H2CO3 by an enzyme Most carbon dioxide is transports in blood converted to b39Carbor ate HCO3 Hemoglobin Hb is a portion in RBCs that has four binding sites to cooperatively bind A Water C Erythrocytes D Thrombocytes QUESTION What are the two gas molecules that red blood cells erythrocytes help transport Name two proteins in red blood cells that are involved in these transport functions The two gas molecules that red blood cells help transport is The two proteins in red blood cells that are involved in these transport functions are F EPO stimulates RBC production EPO produces by kidneys Example of homeostasis moving to live in mountains Less Atmospheric I2 at elevation Less 02 in blood especially during activity Kidneys produce more EPO More RBCs are produced Hematocrit increases More 02 in blood Erythropoietin New Red blood cells dome come from red marrow of bone 0 An individual RBC circulates in blood for only 34 months 0 New RBC comes from stem cells that divide replicate and specialize differentiate into RBCs Occurs in red marrow of bone Maturation takes about one week Note RBC loses nucleus during maturation More room for Hb sickle cell Heatllw cbzlt anti Elia a HI Ia39uii 5 E LEnsrlclj us ulk i39 an E nh huai WED L39E39EIUEIEE u Lau i IEEE3939 5 6525 E i39L
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