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Biology 0610

14. Coordination and response

The nervous system, reflexes, hormones and homeostasis.

  1. 14.1

    The nervous system and reflex actions

    Neurones, synapses and the reflex arc.

    Full lesson1 questions5 cards
    • 14.1.1Describe the human nervous system and the reflex arc.
  2. 14.2

    Hormones and homeostasis

    Chemical coordination, blood glucose control and negative feedback.

    Full lesson1 questions6 cardsReview first: 14.1
    • 14.2.1Define a hormone and compare nervous and hormonal control.
    • 14.2.2Explain homeostasis, including the control of blood glucose by insulin.
  3. 14.3

    Sense organs — the eye

    Structure of the eye, and the pupil and accommodation reflexes.

    Full lesson1 questions5 cardsReview first: 14.1
    • 14.3.1Identify the structures of the eye and describe the pupil reflex and accommodation.
  4. 14.4

    Tropic responses in plants

    Phototropism, gravitropism and the role of auxin.

    Full lesson1 questions5 cardsReview first: 14.1
    • 14.4.1Describe phototropism and gravitropism and explain the role of auxin.