Examlex
The head cuticle of many crustaceans extends posteriorly to form a dorsal covering called the ___________.
Parasympathetic Nervous System
A division of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.
Endocrine System
A network of glands in the body that secrete hormones directly into the circulatory system to regulate the body's growth, metabolism, and sexual development and function.
Billion
A numerical value equal to 1,000 million in the American system, and 1,000,000 million in systems that use the long scale.
Adult Brain
The matured human brain, fully developed and capable of complex cognitive, emotional, and behavioral processing.
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