Review Lecture 1.2

Review Lecture 1.2 - Review Lecture 1 I. Homeostasis:...

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Review Lecture 1 I. Homeostasis: maintaining a relatively constant state that is dynamic in nature not static. Keep change in tolerable range. - each cell has to maintain homeostatis. II. Role of Fluids: Ex: put hand in cold water- send blood to hand to warm it. Edema : swelling, fluid is pushed out of vessels (leaky) at site of injury. III. Tissues: 1. Epithelial 2. Muscle 3. Connective 4. Nervous Tissue a. Epithelial Tissue Lining of vessels, organs; constantly replacing
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b. Muscle Cells (contain Protein Filaments) c. Connective Tissue (ligaments; bone; support structures) d. Nervous Tissue: Neurons and Glia Cells (ex. Astrocytes) Note: Most of the organs have all 4 types of tissue.
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Maintaining Temperature: a. Measurement of Q10 and Reaction rate. b. Ectotherm and Endotherm: Lizards use behavior to maintain temperature as Ectotherms. Endotherms have to maintain a constant temperature, their metabolic rate is higher as they either try to warm up or cool down.
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c. Exchanging Heat with Environment: Evaporation
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Review Lecture 1.2 - Review Lecture 1 I. Homeostasis:...

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