2012-01-23 Anatomy

2012-01-23 Anatomy -...

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Anatomy Dr. N. Matthew Ellinwood, D.V.M., Ph.D. January 22, 2012 IOWA STATE UNIVERSITY
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Overview Not a class dedicated to anatomy Will be an overview of general anatomy so that you learn the basic topics Covers six systems, their functions and major components
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Systems Circulatory (Cardiovascular) system Respiratory system Urogenital system Digestive system Lymphatic/Immune/Hematopoetic system Endocrine system
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Circulatory System Functions: Carry nutrients and fresh O2 throughout body Remove wastes from cells of the body Major Components: Heart Arteries, arterioles Veins, venules Capillaries Lymphatic system Portal circulation http://www.daviddarling.info/images/circulatory _system.jpg
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Circulatory Systems Major Components Heart – responsible for propulsion and movement of blood through body Arteries, arterioles – carry blood away from the heart Veins, venules – return blood back to the heart Capillaries – site of gas exchange Lymphatic system drains extracellular fluid from tissues and returns it to the heart absorbs fat from intestines responsible for immune surveillance Portal circulation – blood that passes through 2 capillary beds before returning to the heart One such system exists with capillary beds in the digestive track and the second in the liver
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Respiratory System Functions: Provides supply of O2 for the body and removes CO2 produced by cells Warms, humidifies, and filters inspired air Major components: Trachea Lungs Diaphragm and intercostal muscles Avian anatomy very different from mammalian www.answers.com
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Components Trachea – contains cartilaginous rings to keep airway from collapsing Lungs – houses the alveoli where gas
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This document was uploaded on 02/14/2012.

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2012-01-23 Anatomy -...

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