bigjd2003 bigjd2003
  • 20-08-2020
  • Biology
contestada

what is a heart made of it

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Аноним Аноним
  • 20-08-2020

Answer:

Explanation:

he heart is composed of cardiac muscle, specialized conductive tissue, valves, blood vessels and connective tissue. Cardiac muscle, the myocardium, consists of cross-striated muscle cells, cardiomyocytes, with one centrally placed nucleus.

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