In a Data Flow Diagram, A(n) _________________________ Symbol Portrays a Source

question 61

Short Answer

In a data flow diagram, a(n) _________________________ symbol portrays a source or a destination of data outside the system.

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Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon-containing materials and by respiration. It is absorbed by plants in photosynthesis.

Purkinje Fibers

Cardiac fibers located in the lateral walls of the ventricles.

Myocardium

The muscular tissue of the heart that contracts to pump blood out of the heart and then relaxes as the heart refills with returning blood.

Endocardium

The innermost layer of the heart's walls, lining the chambers and heart valves.