Each Cardiac Muscle Cell Is Bound to Its Neighboring Cells

question 29

Multiple Choice

Each cardiac muscle cell is bound to its neighboring cells at sites called

• A) intercalated discs.
• B) myofibrils.
• C) sarcomeres.
• D) trabeculae.
• E) fossa ovalis.

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Definitions:

Bedrock Channels

Channels carved into the underlying bedrock by the erosive action of flowing water, often seen in riverbeds and streambeds.

Water Velocity

The speed at which water flows in a given direction within a stream, river, or other body of water.

Delta

A landform at the mouth of a river where it splits into several outlets, depositing sediment and forming an area often rich in wildlife and agriculture.

Discharge

The volume of fluid passing a point within a given time, commonly used in reference to the flow of rivers and streams.