<span>Intercalated discs have a function in connecting individual heart muscle cells (cardiomyocytes) and making them work as a single functional organ or syncytium. As a result, the contraction of cardiac tissue is synchronized. </span> <span>Intercalated discs are transverse bands that separate the adjacent ends in cardiomyocytes and appear as stained irregular lines at 90 degrees to the striped sarcomeres.</span>
Answer: we can make observations directly by seeing, feeling, hearing, and smelling, but we can also extend and refine our basic senses with tools: thermometers, microscopes, telescopes, radar, radiation sensors, X-ray crystallography, mass spectroscopy, etc. And these tools do a better job of observing than we can!
Muscle cells because your muscles need oxygen to function but carbon monoxide takes out the oxygen in your cells.
D. hormones would be the correct answer, which are chemical substances produced by gakbdd
