The 'Primary Actor' Is the External User That Triggers the Event

question 55

True/False

The 'primary actor' is the external user that triggers the event to which the system responds.

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Definitions:

Mesonephros

A phase in the development of the vertebrate urinary and reproductive organs, serving as a temporary kidney during certain stages of embryonic development.

Pronephros

The most primitive form of the kidney found in embryonic development of vertebrates, functioning temporarily before giving way to more advanced kidney forms.

Allantois

An embryonic membrane in eggs and some mammals that deals with respiratory gas exchange and the management of waste.

Bulbus Cordis

End of the embryonic cardiac tube where blood leaves the heart; becomes part of the ventricle.