The Tough Structure That Surrounds the Heart and Helps Reinforce

question 163

Multiple Choice

The tough structure that surrounds the heart and helps reinforce and maintain position of the heart is the

• A)mediastinum.
• B)pericardial sac.
• C)pleural cavity.
• D)aorta.
• E)epicardium.

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Definitions:

Irregular Coast

A coastline that has a complex shape, often characterized by numerous bays, peninsulas, and inlets.

Submarine Canyons

Steep-sided valleys cut into the seabed of the continental slope, sometimes extending well onto the continental shelf.

Shoreline Hazards

Risks associated with the coastal areas, including erosion, flooding, and storms, impacting ecosystems and human settlements.

Erosion

The process by which natural forces like water, wind, ice, and gravity remove and transport soil and rock materials from one location to another.