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CAIE A-Level Biology 15.1.2 Nervous and Endocrine Systems

Practise comparing electrical neuronal impulses and blood-borne hormones by route, speed, duration and target specificity, then select each system for a response context.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • compare neurone impulses with hormones transported chemically through the bloodstream
  • contrast rapid short-lived local nervous responses with slower longer endocrine effects
  • distinguish precise neuronal connections from receptor-defined hormonal target cells

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