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.
Approximately 80 percent of those on the lists are waiting for kidneys (a redundant organ of which humans have two, but only need one to live normal and healthy lives, provided that donors receive proper post-surgical care). Another 15 percent or so of those on the waiting list are waiting for livers.