How Many Pulmonary Veins Are There

question 85

Multiple Choice

How many pulmonary veins are there?

• A) one
• B) two
• C) three
• D) four

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Definitions:

Ecosystem

Living creatures and the non-living parts of their habitat come together, forming a system through interaction.

Antelope Valley

A region in northern Los Angeles County and the southeastern portion of Kern County, California, known for its poppy reserve and aerospace industries.

Probability

The chance that a particular outcome of an event will occur; depends on the total number of outcomes possible.

Event Occur

A phrase suggesting the happening or occurrence of an event or action.