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.
HOW TO DONATE Blood can be safely donated every 56 days. Platelets can be given every seven days â up to 24 times a year. Individuals who are 17 years of age (16 with parental consent in most states), weigh at least 110 pounds and are in generally good health may be eligible to donate blood.