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The Autonomic Nervous System Has Two Branches, Sympathetic and Parasympathetic

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Essay

 The autonomic nervous system has two branches, sympathetic and parasympathetic. Activation of one branch typically suppresses activity of the other. If you eat a large meal, and then suddenly need to run, you will activate each system. Describe the likely chain of events that will transpire and include which system will take precedence.


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Sexual Urges

Basic, natural feelings or instincts related to sexuality and the desire for sexual activity.

Free Radicals

Unstable molecules that can damage cells, contributing to aging and diseases, like cancer. They are produced through normal metabolic processes or from external sources such as pollution.

Metabolism

The complex set of life-sustaining chemical reactions in organisms required for the maintenance of life, involving the conversion of food to energy, and the synthesis and breakdown of body chemicals.

Telomeres

Protective segments of DNA located at the tips of chromosomes.

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