A woman’s hand accidentally touches a hot object. The woman moves her hand away rapidly. Describe how the woman’s nervous system coordinates the reflex action. – 7045

Q1.

A woman’s hand accidentally touches a hot object. The woman moves her hand away rapidly. Describe how the woman’s nervous system coordinates the reflex action. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________(6)

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One thought on “A woman’s hand accidentally touches a hot object. The woman moves her hand away rapidly. Describe how the woman’s nervous system coordinates the reflex action. – 7045

  1. Receptor in skin of finger/hand detects temperature change

    Electrical impulses travel along neurones

    Impulses go from sensory neurone → relay neurone → motor neurone

    At synapse, a chemical (neurotransmitter) crosses the gap by diffusion

    Happens in spinal cord/CNS

    Muscle contracts to pull hand away

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