Biology, asked by atalasrar777, 1 month ago

how many calcium ions are diffuses across pre synaptic membrane and Post synaptic membrane?​

Answers

Answered by blackskull066
3

Answer:

Action potentials open calcium channels in the membrane of the synaptic knob, which causes an inward movement of calcium ions . ... Released neurotransmitters diffuse across the narrow synaptic cleft.

Answered by prettykitty664
2

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All functions performed by the nervous system—from a simple motor reflex to more advanced functions like making a memory or a decision—require neurons to communicate with one another. While humans use words and body language to communicate, neurons use electrical and chemical signals. Just like a person in a committee, one neuron usually receives and synthesizes messages from multiple other neurons before “making the decision” to send the message on to other neurons.

Nerve Impulse Transmission within a Neuron

For the nervous system to function, neurons must be able to send and receive signals. These signals are possible because each neuron has a charged cellular membrane (a voltage difference between the inside and the outside), and the charge of this membrane can change in response to neurotransmitter molecules released from other neurons and environmental stimuli. To understand how neurons communicate, one must first understand the basis of the baseline or ‘resting’ membrane charge.

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