Drownings Have Occurred When a Person Is Trapped Under Water

question 20

Multiple Choice

Drownings have occurred when a person is trapped under water by the tremendous ____ at an unprotected drain in a swimming pool.

• A) suction
• B) size of the opening
• C) electrical shock
• D) none of the above

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Definitions:

Cell Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, which regulates the passage of substances in and out of the cell.

Cadherins

Transmembrane proteins that are components of adhering junctions between animal cells.

Adhering Junctions

Cell-to-cell junctions that mechanically attach the cytoskeleton of a cell to that of another, playing a key role in maintaining tissue integrity.

Desmosomes

Cell structures specialized for cell-to-cell adhesion, found particularly in epithelial and cardiac tissues, helping to resist shearing forces.