What Happens to the Resting Heart Rate as a Result

question 44

Multiple Choice

What happens to the resting heart rate as a result of regular endurance exercise?

• A) It bears up to 10 beats per minute lower.
• B) It beats 10 to 20 beats per minute lower.
• C) It beats up to 10 beats per minute higher.
• D) It beats 10 to 20 beats per minute higher.

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Definitions:

Signal Transduction

The process by which a cell converts one kind of signal or stimulus into another, involving a series of molecular changes leading to a cellular response.

Ras Proteins

A family of proteins involved in transmitting signals within cells, playing key roles in cell growth and development.

Unregulated Cell Division

Abnormal cell growth that can lead to tumors and cancer, characterized by the uncontrolled proliferation of cells.

First Messenger

A signaling molecule that binds to a receptor on the surface of a cell, triggering a sequence of events within the cell.