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4 marksCoordination and Control

CSEC Human and Social Biology · January 2017 · Paper 2 · Question 4(a)(i)

Distinguish between nerves and neurones, and between sensory and motor neurones.

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Other parts of this question

  1. 4(a)(ii)Identify the term for the junction where two neurones meet, and the chemical used to transmit signals across this junction.[2 marks]
  2. 4(b)(i)Identify whether this reflex is spinal or cranial, and outline the four steps involved in the reflex action.[5 marks]
  3. 4(b)(ii)Name two pituitary hormones released within the next 16 days and explain one function of each.[4 marks]

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