The Invention of a Machine to Make Plastic Corks for Wine

question 50

Multiple Choice

The invention of a machine to make plastic corks for wine bottles has severely affected companies that produce traditional cork.This is an example of a(n) ______ advancement.

• A)market
• B)social and political
• C)technological
• D)demographical
• E)economic

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Definitions:

Open Circulatory System

System in which hemolymph leaves vessels and seeps among tissues before returning to the heart.

Hemolymph

A fluid equivalent to blood in most invertebrates, occupying the hemocoel and involved in transporting nutrients, wastes, and hormones.

Cardiac Muscle Cells

Specialized muscle cells found in the heart that contract to pump blood throughout the body, characterized by their striated appearance and intercalated discs.

Gap Junctions

Specialized intercellular connections that allow for direct communication between the cytoplasm of two cells, enabling the transfer of ions and molecules.