Bios 224 homeostasis

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Bios 224 homeostasis

• What is homeostasis?

–Answer Regulation of the bodys nternal environment

• What happens when external temperature changes

–Answer The internal systems have to match the chnage or structures wont function properly

• What is the difference in change of external vs internal

–Answer External can be large, internal is very small

• What is the process called between external and external internal chnages-

–Answer Homeostatic mechanism

• Homeostasis regulates a physiological variable relative to what

–Answer A set point

• How does homeostasis maintain set point

–Answer Negative feedback, positive feed- back, feed forward

• Which are used in complex regulation

–Answer All three may be

• What does negative feedback do?

–Answer Returns variable towards set point

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