The Main Function of the AV Node Is to

question 9

Multiple Choice

The main function of the AV node is to

• A)relay the signal for the heart to contract from the right ventricle to the right atrium.
• B)initiate the heartbeat.
• C)relay a signal for the ventricles to contract.
• D)set the rhythm of the heartbeat.

Understand the mechanisms of pitch modulation in human speech.

Comprehend the structure and function of the respiratory tract.

Identify common respiratory diseases and their causes.

Describe the process and importance of gas exchange in the lungs.

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