In This Diagram of the Heart, a Is the ____

question 93

Multiple Choice

In this diagram of the heart, A is the ____ and B is the ____.

• A)AV node; cardiac pacemaker
• B)SA node; septum
• C)AV node; SA node
• D)SA node; AV node
• E)septum; cardiac pacemaker

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Definitions:

Muscle Tone

Muscle tone refers to the continuous and passive partial contraction of the muscles, or the muscle's resistance to passive stretch during resting state; it helps maintain posture.

Autonomous Child

A child who is encouraged to make their own decisions and develop their independence and self-reliance.

Power

The capacity or ability to direct or influence the behavior of others or the course of events.

Control

Control refers to the power to influence or direct people's behavior or the course of events, or in scientific experiments, the standard conditions under which tests are made.