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.
Anyone in good health, at least 17 years old ( or 16 years old with parental consent â click here for consent form), and at least 110 pounds may donate whole blood every 56 days. 02. 4.5 million American lives are saved each year by blood transfusions.