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Neural Control Mechanisms
Neural Control Mechanisms

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There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..

Principles of Hormonal Control Systems
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Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

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Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..