Nervous Control

Nerve Organisation • Central Nervous System (CNS): Made up of the brain and spinal cord • Peripheral Nervous System (PNS) ...
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Nerve Communication

Nerve Communication Stimulus A stimulus is a detectable change in the internal or external environment of an organism that produces ...
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Control of Heart Rate

Autonomic:  Sympathetic Nervous System: Parasympathetic Nervous System: Stimulates effectors and so speeds up any activity Used under stressful conditions by ...
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