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Describe what an action potential is and how is it transmitted. Refer to the action of stimuli and neurons in your answer.

An action potential is when a neuron sends an electrical signal down an axon, away from the cell body (soma). A stimulus is detected by a motor neuron e.g. through mechanoreceptors that detect touch on the s...
ES
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What is the difference between cardial and skeletal muscle?

Cardiac muscle: voluntary, branched fibres, only 1-2 centrally located nuclei in one cellSkeletal muscle: involuntary, cylindrical long fibres, multiple peripheral nuclei in one cell
TD
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Why is the left ventricle wall more muscular than the right ventricle wall?

The heart has 2 sides; the left and the right. The left side of the heart pumps oxygenated blood from the lungs to supply the rest of the body. The right side of the heart pumps deoxygenated blood from the b...
ER
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Differences between the natural and the artificial active response by the immunology system.

The active response is in the one where our body created its own antibodies for a pathogen to which it has been exposed to and the exposure can be natural or artificial. The natural is by getting the disease...
Answered by • Human Biology tutor
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Why would a patient with no helper T cells not produce any antibodies?

This is because helper T cells are required to cause the proliferation of plasma B cells that produce antibodies once they recognise the antigen on an antigen presenting cell as harmful.
Answered by • Human Biology tutor
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