06 CRAYFISH HUMAN RESP 2007

06 CRAYFISH HUMAN RESP 2007 - Open circulatory system Heart...

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Animal respiration and circulation. What is respiration?
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Animal respiration and circulation. Glucose + O 2 CO 2 + H 2 O + E What is respiration? Breathing.
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Air or water Gills or lungs O 2 CO 2 Circulatory system Tissues Organs O 2 O 2 CO 2 CO 2 O 2 + Glucose CO 2 + H 2 O + E Outside O 2 CO 2 Membrane(s) Membrane(s) O 2 CO 2 O 2 21% CO 2 <1%
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Open vs. Closed Arthropods/crustacea Crayfish Blood pumped out to tissues, dumped in sinuses Tissues ~bathed Comes back to heart Through sinuses and Reenters through ostia Low pressure-low resistance High volume Circulatory systems Vertebrates human Blood pumped in pipes and Never touches tissues-arteries/veins Trend is to separate oxygenated From non-oxygenated blood High pressure-high resistance Low volume
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Respiratory systems
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Unformatted text preview: Open circulatory system Heart Sinuses Heart arteries ostia Ophthalmic- eyes Antennal- antennae, antennules, green glands Hepatic- digestive gland Arteries Ostia Vertebrate circulatory systems Human heart 2 systems- pulmonary and systemic. Structure of blood vessels Human respiratory system Angioplasty Coronary bypass Measuring Blood Pressure Stethoscope Sphygmomanometer High pressure = systolic, blood flow stopped above this Low pressure = diastolic, flow unrestricted below this 120 mm Hg 80 mm Hg Crayfish respiration Bubble O 2 or N 2 Set O 2 level and monitor Measure ventilation rate...
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This note was uploaded on 11/10/2008 for the course BIO 206L taught by Professor Unknown during the Spring '08 term at University of Texas.

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06 CRAYFISH HUMAN RESP 2007 - Open circulatory system Heart...

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