Coordination of benefits (cob) is a provision in health insurance policies intended to keep multiple insurers from paying benefits covered by other policies.

Group

Explanation:Coordination of benefits (COB) are the benefits that are in the form of insurance policy used for the payment of any medical emergency for a person. It is a plan that covers certain policy statements about the Medicare benefit that will also in the extension of other plans related to medical .COB works for those people who have more than one insurance policy .It has levels such as primary, secondary and tertiary according to the medical policy.

the answer is shoe size