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Animal and Phyisology Animal Functions

by: Daniel

Animal and Phyisology Animal Functions Ecol182

Marketplace > University of Arizona > Ecol182 > Animal and Phyisology Animal Functions
GPA 2.7
Bonnie, Hunter, Martinez

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These notes cover the concept of Animal and Physiology Animal Functions in Ecology 182R. In these notes there our break down by major topics that was discussed in lecture and then from there our to...
Bonnie, Hunter, Martinez
Class Notes
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This 2 page Class Notes was uploaded by Daniel on Monday April 6, 2015. The Class Notes belongs to Ecol182 at University of Arizona taught by Bonnie, Hunter, Martinez in Spring2015. Since its upload, it has received 41 views.


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Date Created: 04/06/15
Physiology and Animal Form and Function Circulatory System Why did the Circulatory System Evolve ln atworms all cells are within 1mm of water No need for Circulatory system Physical structure form of an organism and or it39s components Study of the mechanical physical and biochemical functions of living organisms Nervous tissue consist of nerve cells or neurons and several types of supporting cells Figure 424 Cell body accepts information then decides to send a signal to the axon and then form there that s where information is being passed Muscle Tissues Smooth muscles is an example of Arties Epithelial Tissue Secretes Pheromones or Hormones Figure 426 Apical side of epithelium where the food is placed at Basolateral side of epithelium inside of the body Basal lamina connects epithelium to other tissues and connects to the body Epithelial Tissue The reason why they are packed so closely is because you have the ability to regulate where the cells go from either the apical or basolateral side The apical side of an epitheloum lines organs and secretes mucus Larger species have a larger volume How do things change with body size Allometry Allometry How things change with body size The smaller the animal you have a larger surface area and volume and from there you are losing heat water The areavolume affect the animal39s overall physiology Metabolic Rate C02 production Oxygen Consumption ltways to measure metabolic rate Linear cubed volume is going faster than the surface area Increase the body mass lifting weights D example Volume increases faster than surface area as animals become longerbigger Per gram metabolic rate is Lower if animal is larger Adaptions that increase surface area Gas Exchange and Circulatory System lboth important Why can Pnueomia kill you Adds more uid which creates this problem for oxygen to go through the capillaries because you39re lled with it Homeostasis term coined by Walter Cannon RegulateMaintain stable conditions in the internal environment Each variable has a set point a normal or target value Chemical and Biological reactions tend to happen faster at higher temperatures 010 typically between 2 and 3 Humans are endothermic homeotherms Production vs Maintenance conversion ef ciency 14 mammal vs 50 lizard


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