This increases thoracic volume in a vertical direction. Inspiration is aided by contraction of the parasternal and external intercostals, which raise the ribs when they contract and increase thoracic volume laterally. Other thoracic muscles become involved in forced (deep) inspiration.
(August 2007) Arrears (also sometimes known as an arrearage) is a legal term for the part of a debt that is overdue after missing one or more required payments. The amount of the arrears is the amount accrued from the date on which the first missed payment was due.
This use of arrears accounting indicates that payment will be made at the end of a certain period, rather than in advance. Arrears can also refer to the fact that a business is behind on payments. In this case, the arrears amount is considered as accruing from the due date of the first missed payment. When an account is paid in arrears in this usage, each subsequent payment is applied to the oldest payment until the account is caught up..