A member asked:

Can you tell me which controls how fast or slow the heart beats?

A doctor has provided 1 answer

Reflexes: There are chemoreceptors and baroreceptors in the neck which control heart rate. Heart rate control is mediated by the vagus nerve and by circulating catecholamines secreted by the adrenal gland.

Answered 6/23/2014

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A member asked:

Can you tell me how a slow heart beat increase the venous return?

A doctor has provided 1 answer