The answer is A, the immune system
Answer:
Precertification
Explanation:
For managed care organizations to pay for medical services, precertification needs to be done. Precertification involves proving to the medical insurance company that a service is medically necessary. After precertification, the insurance company would determine if the service is a covered service before payment is made.
Precertification is taken by the insurer to provide the insurance company with procedures and/or services and diagnosis.
Answer:
the center of gravity will shift
Explanation:
Every single body and thus the athletes themselves, is made up of individual components each of which has its own weight. ... So if the same body is to take a different shape, the position of the center of gravity will shift. An athlete that bends his/her legs will lower his/her center of gravity position.
