The Thicker Walls Seen in Mature Plants That No Longer

question 42

Multiple Choice

The thicker walls seen in mature plants that no longer allow extensive growth of the cell wall are known as _______.

• A)primary walls
• B)secondary walls
• C)complete walls
• D)incomplete walls

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Definitions:

Forced Inhalation

An involuntary or voluntary act of taking air into the lungs through the use of respiratory muscles more forcefully than in normal breathing.

External Intercostal Muscles

Muscles located between the ribs that expand the chest cavity for inhalation by elevating the ribs.

Inhalation

The act of taking air into the lungs through the nose or mouth, essential for oxygenating the blood and removing carbon dioxide.

Respiratory System

The network of organs and tissues that help you breathe, including the lungs, airways, and muscles.