What best explains excitability properties of cardiac cells

Explanation:

Excitability of a cardiac cell describes the ease with which the cell responds to a stimulus with a regenerative action potential.The more negative the Em, the more Na+ channels are available for activation, the greater the influx of Na+ into the cell during phase 0, and the greater the conduction velocity.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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