Over the Last Three Decades the Social Security System Has

question 90

True/False

Over the last three decades the Social Security system has run with a surplus.

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Definitions:

Alveoli

Small air sacs in the lungs where gas exchange between the air and blood occurs.

Hilus

A part of an organ where blood vessels, nerves, and other structures enter or exit.

Oropharynx

A part of the pharynx situated between the soft palate and the epiglottis, involved in swallowing.

Nasopharynx

The upper part of the throat located behind the nose, which forms part of the respiratory system.