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CAIE A-Level Biology 15.1 Control and Coordination in Mammals Question Bank

Practise mammalian coordination questions by comparing nervous and endocrine signalling, tracing action potentials and synapses, and explaining muscle contraction.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • compare endocrine and nervous signalling by route, speed, duration and target specificity
  • explain resting potentials, action potentials, refractory periods and saltatory conduction
  • trace synaptic transmission and neuromuscular activation through Ca2+, ACh and Na+ channels

Covered syllabus points

15.1.1—Endocrine system features15.1.2—Nervous and endocrine systems15.1.3—Sensory, motor and intermediate neurones15.1.4—Sensory receptor cells15.1.5—Action potential sequence15.1.6—Membrane potential changes15.1.7—Rapid transmission in myelinated neurone15.1.8—Refractory period15.1.9—Cholinergic synapse structure and function15.1.10—Muscle contraction stimulation15.1.11—Striated muscle ultrastructure15.1.12—Sliding filament model of contraction

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