When viewed from the equator (0 degrees latitude), Polaris lies on the northern horizon. As an observer moves northward--say, to Houston, Tex. (30 degrees latitude)-- Polaris is located 30 degrees above the northern horizon.
The cardiac cycle is defined as the steps involving the conversion of deoxygenated blood to oxygenated blood in the lungs and pumping it by the heart to the body through the aorta. So i think it would be stable over the years unless u have factors that will affect the cycle depending on a persons health
The appropriate response is Nicolaus Copernicus. The heliocentric model says that the sun is at the focal point of the universe, and the absence of the move of stars intended to them that they were moving around a similar thing the Earth was, or the Sun.