Heart beats are accelerated by

Heart beats are accelerated by

Options

(a) cranial nerves and acetylcholine
(b) cranial nerves and adrenaline
(c) sympathetic nerves and acetylcholine
(d) sympathetic nerves and ephinephrine

Correct Answer:

sympathetic nerves and ephinephrine

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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  • Accelerator nerve ..(sympathetic nervous system) whenua stimulated, release neurotransmitter at SA node to increase heart rate.

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