Examlex
When the reproductive cells of different species are incompatible and cannot accomplish fertilization, it is referred to as:
Parasympathetic Nervous System
The part of the autonomic nervous system responsible for conserving energy and bringing the body to a state of rest by decreasing heart rate and increasing intestinal and gland activity.
Sympathetic Nervous System
Part of the autonomic nervous system that prepares the body for physical activity by accelerating the heart rate, constricting blood vessels, and raising blood pressure.
Autonomic Nervous System
The part of the nervous system responsible for control of bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.
Endocrine System
The collection of glands that produce hormones to regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
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