
To explain: A reflex.
Introduction: The nervous system controls and coordinates all the activities of animals. It is classified into two major types, namely the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and the spinal cord. The PNS includes neurons and ganglia. The primary tissue of this system is the nervous tissue.
To describe: What happens during a stretch reflex.
Introduction: The nervous system controls and coordinates all the activities of animals. It is classified into two major types, namely the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and the spinal cord. The PNS includes neurons and ganglia. The primary tissue of this system is the nervous tissue.

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Chapter 13 Solutions
Human Biology Custom Edition
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