Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Also, oxygen-depleted blood must be carried away.
A Golgi apparatus receives proteins from the rough endoplasmic reticulum. The Golgi apparatus modifies, sorts, and packages the proteins to be sent out of the cell to be used. Hope this helps! :)
<span>When an overwhelming body of observations and measurements supports a scientific hypothesis or group of related hypotheses, it becomes a scientific theory. A scientific theory is defined as an explanation of an facet of the natural world that one can test repeatedly using defined protocols of observation and experimentation.</span>
