Factors Affecting the Natural Frequency. The actual frequency at which an object will vibrate at is determined by a variety of factors. Each of these factors will either affect the wavelength or the speed of the object. an alteration in either speed or wavelength will result in an alteration of the natural frequency.
Eight vital organs can be donated: heart, kidneys (2), pancreas, lungs (2), liver, and intestines. Hands and faces have also recently been added to the list. Tissue: cornea, skin, heart valves, bone, blood vessels, and connective tissue.
Each year about 15.7 million units of whole blood and red blood cells are donated in the United States by approximately nine million volunteer blood donors. These units are transfused to about four million patients per year. Blood Centers of the Pacific provides blood for a population of more than 2.2 million.