Biology activity pag. 177

In our biology class, we have been studying coordination and response. Here’s the activity I did with Jose.

5.

a) In which direction does this synapse allow a nerve impulse to travel?

The nerve impulse travels from the left to he right as the vesicles release the neurotransmitter into the synaptic cleft. Then the neurotransmitters attached to the receptor moleculed in the relay neurone.

b) Describe the roles of the parts labelled A and B in transmitting a nerve impulse from one neurone to the next.

The vesicles contain the neurotransmitters.

The receptors receive the neurotransmitters and trigger a nerve impulse in the relay neurone until it reaches the next synapse.

c) Suggest the role of the mitochondria shown in the diagram.

The mitochondria is where respiration takes place and where energy is released for the neurone to transmit nerve impulses.

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