Controlling the Internal Environment

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Controlling the Internal Environment
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Homeostasis
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Energy Budgets
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Thermoregulation
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Body Temp vs. Ambient Temp
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Thermoregulation

• Ectotherm
• Endotherm
• Poikilotherm
• Homeotherm

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Thermoregulation

• Vasodilation
• Vasoconstriction

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Thermoregulation

• Counter-Current
• Heat Exchanger

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Thermoregulation

• Counter-Current Heat Exchanger

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Thermoregulation

• Evaporative Cooling

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Thermoregulation

• Behavioral Responses

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Thermoregulation

• Nonshivering Thermogenesis
• Brown Fat
• Hair and Feathers

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Thermoregulation
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Human Thermoregulation
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Thermoregulation

• Acclimatization
• Stress-induced Proteins
• Heat-shock Proteins

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Torpor

• Hibernation
• Estivation

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Osmoregulation
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Osmoregulation
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Osmoregulation
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Nitrogenous Waste
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Osmoregulation
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