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.
Whole blood donors can donate every 56 days. Red blood cells are the oxygen carrying cells. They can take two weeks or longer to fully return to normal. You can donate platelets (apheresis donation) every two weeks â up to 24 times in 12 months. Platelet and plasma components are regenerated in the body more quickly than red cells.