The heart's primary function is to circulate blood around the body (which has several functions, including oxygenating the body, transporting nutrients, moving waste to the kidneys, moving signalling molecules around, etc.) but it can also serve as a sensory organ by sending signals to the brain about its own state.
Explanation from Alloprof
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The heart's primary function is to circulate blood around the body (which has several functions, including oxygenating the body, transporting nutrients, moving waste to the kidneys, moving signalling molecules around, etc.) but it can also serve as a sensory organ by sending signals to the brain about its own state.
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