On an Activity Diagram, What Is Used to Show Parallel

question 69

Multiple Choice

On an activity diagram, what is used to show parallel activities?

• A) an arrow
• B) a synchronization bar
• C) a swimlane
• D) a diamond

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Definitions:

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste.

Umbilical Cord

A flexible cord-like structure connecting a fetus to the placenta, delivering nutrients and removing waste during pregnancy.

Endoderm

The inner layer of an embryonic disk, which will develop into the digestive system, liver, lungs, pancreas, salivary glands, and respiratory system.

Ovum

The female reproductive cell or egg cell.