Examlex
The reason mercury is so persistent in the environment or living organisms is that it is an element and thus cannot be broken down or degraded.
Spinal Cord
A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem down the back, and transmits neural signals between the brain and the body.
Urinary Bladder
A hollow muscular organ that stores urine from the kidneys before it is excreted from the body.
Sympathetic Nervous System
Part of the autonomic nervous system that activates the body's fight or flight response to stress or emergency situations.
Digestive Activity
The process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body.
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