Answer: A psychiatrist
Explanation: A psychiatrist is a professional in the field of medicine specialized in treating mental illnesses. Normally the psychiatrist treats mental problems through medications and in some cases also specializes in using psychological therapy.
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Your question: In humans the number of sperm cells required to produce a pair of identical twins is ______.
Your answer: In humans the number of sperm cells required to produce a pair of identical twins is 2. 2 sperm cells are required to fertilize 2 eggs.
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Maintenance of homeostasis is in a negative feed back loop because if the tempature gets too high the negative feedback loop acts to bring it back down.
