What is the neuro-humoral regulation of the heart in the human body, what is its significance in the life of the body?

1) nervous regulation is carried out due to the autonomic nervous system (the parasympathetic system slows down and weakens the contraction of the heart, and the sympathetic reinforces and accelerates the contraction of the heart);
2) humoral regulation is carried out through the blood: adrenaline, calcium salts enhance and speed up heart contractions, and potassium salts have the opposite effect;
3) the nervous and endocrine systems provide self-regulation of all physiological processes in the body.

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