The Series of Lines on a Product Packaging That the Cashier

question 242

Multiple Choice

The series of lines on a product packaging that the cashier scans when you check out at a grocery store or discount store is called a:

• A)bar code.
• B)postal code.
• C)business code.
• D)laser code.

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Definitions:

Oxygen

A chemical element (O) that is critical for respiration in most aerobic organisms and has various industrial uses.

Nutrients

Substances obtained from food and beverages that are essential for growth, metabolism, and for maintaining life.

Arterioles

Small branches of arteries leading to capillaries that regulate blood flow and pressure in the circulatory system.

Arterial Wall

The layered structure of an artery, consisting of connective tissue, smooth muscle, and endothelial cells, which maintain blood pressure and circulation.