The Property of Heart Muscle to Contract in the Absence

question 147

Multiple Choice

The property of heart muscle to contract in the absence of neural or hormonal stimulation is called

• A) intrinsic.
• B) extrinsic.
• C) automaticity.
• D) self-replicating.
• E) self-starting.

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Definitions:

Fresh Water

Fresh water is water with a low salt concentration, found in rivers, lakes, streams, and underground aquifers, essential for drinking, agriculture, and industry.

Scarce Resource

A resource that is limited in availability and can be used up or depleted, making it valuable and subject to economic study for optimal use.

Unlimited Wants

The economic concept that humans have endless desires for goods and services.

Good

A tangible product used to satisfy human wants.