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Explain how information passes between neurons in the nervous system

Individual neurons do not physically touch but are connected by synapses. These are small gaps between neurons. Signals or information are passed over the synapse between neurons, which allows information to...
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Answered by Catriona C. • Biology tutor
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What is a reflex arc?

A reflex is an involuntary response to a sensory stimulus. The pathway of neurones involved in a reflex is known as a reflex arc. A reflex arc - such as quickly moving your hand away from a hot flame - invol...
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Answered by Sundas B. • Biology tutor
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What is the difference between a receptor and an effector in the nervous system?

A receptor detects the stimuli and converts it into an impulse and an effector converts the impulse into an action. An example of a receptor is a light receptor in the eye which detects changes in light in t...
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Answered by Sundas B. • Biology tutor
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How does a reflex arc work?

the relfex action consists of receptor and neurons communicating together. the brain is not involved the processing of this action. The basic pathway that the reflex arc follows is: stimulus (touching someth...
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Answered by Niranjani G. • Biology tutor
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What is an enzyme? Explain their importance?

Enzymes are specific proteins that catalyse a specific reaction or breakdown of a substance. They allow a variety reactions to take place without using as much energy (improve efficiency). Useful to think ab...
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Answered by William W. • Biology tutor
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