This question concerns neurones and reflex actions. Select words from the list to complete the sentences. You may use each word once, more than once, or not at all. endocrine, fast, impulses, motor, nervous, receptor, sensory, slow, stimuli, synapses.
(main)[5]
Neurones are cells that belong to the ........................ system. In a simple reflex action, three neurone types are involved: a sensory neurone, a relay neurone and a ........................ neurone. The nerves carry electrical ........................ . These move from one neurone to the next at junctions called ........................ . A reflex action is automatic, co-ordinated and ........................ .
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “nervous.” …