In summary, the relative refractory period is a time in which the neuron can fire an action potential, but it needs a greater stimulus. During an action potential, voltage-gated sodium channels open to let in positive ions - sodium. These depolarize the cell.
On average, reciting five Mysteries of the Rosary typically takes about 15-20 minutes depending on whether the optional prayers are also recited. Additionally, some people may take longer than 20 minutes if they decide to devote extra time for reflection and meditation on any of the Mysteries.
The Rosary is a Scripture-based prayer. It begins with the Apostles' Creed, which summarizes the great mysteries of the Catholic faith. The Our Father, which introduces each mystery, is from the Gospels. The first part of the Hail Mary is the angel's words announcing Christ's birth and Elizabeth's greeting to Mary.