The Outer Layer of the Heart Wall Is Called the _______

question 48

Multiple Choice

The outer layer of the heart wall is called the _______.

• A) endocardium
• B) pericardium
• C) myocardium
• D) peritoneum

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Definitions:

Outer Boundary

The external limit or edge of an area, system, or object, defining its spatial extent or separating it from surrounding environments.

Isotonic Solution

A solution having the same osmotic pressure as another solution, often referring to bodily fluids, allowing for the free movement of water across membranes without changing cell volume.

Hypertonic Solution

A solution that has a higher concentration of solutes outside the cell, leading to the movement of water out of the cell.

Hypotonic Solution

A solution that has a lower solute concentration compared to another solution, leading to the potential of water entering into a cell by osmosis.