There are two basic types of wave motion for mechanical waves: longitudinal waves and transverse waves. The animations below demonstrate both types of wave and illustrate the difference between the motion of the wave and the motion of the particles in the medium through which the wave is travelling.
Updated:Sep 16,2015. Heart disease is the No. 1 killer for all Americans, and stroke is also a leading cause of death. As frightening as those statistics are the risks of getting those diseases are even higher for African-Americans. The good news is, African-Americans can improve their odds of preventing and beating these diseases by understanding the risks and taking simple steps to address them.
Healthy Nigeriansâ the office supports the Nigerian Federal Ministry of Health in the. development, implementation, and evaluation of disease response efforts and. programs that contribute to a strengthened public health infrastructure in Nigeria. HIV/AIDS. Through the U.S. Presidentâs Emergency Plan for AIDS Relief (PEPFAR), the CDC Nigeria. office provides technical assistance to help the Ministry of Health (MOH) implement an.