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Essay Sample

Question 1

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Essay Sample

Homeostasis

Question one:

List examples of internal and external variable factors.

Examples of external variable factors include: change in temperature, pressure, osmotic pressure and contact with bacteria or toxins. Internal factors include: pH value, nervous system, endocrine system, the immune system.

Question two:

Describe non-physiological (behavioral) responses to an increase or decrease in environmental temperature.

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