NERVOUS AND ENDOCRINE SYSTEMS

Nervous and Endocrine Systems

Nervous and Endocrine Systems

Nervous System

The Nervous system receives sensory input from the internal and external environment. It then integrates the input in the sensory centers of the brain and responds to the various stimuli with a motor output, which can be converted by the organs to some form of energy ie. movement, release of hormones, changes in heart rate. The nervous system controls almost every organ in the body through a series of positive and negative feedback loops. The central nervous system consists of the brain and the spinal cord.

The Endocrine System

Some animals ...