The Pacemaker of the Heart Is Located in the Upper

question 13

Multiple Choice

The pacemaker of the heart is located in the upper wall of the

• A)right atrium.
• B)right ventricle.
• C)left atrium.
• D)left ventricle.

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Definitions:

Older Brothers

Male siblings who are born before other children in the same family.

Genetic Role

The function or influence of genes in determining the physical and behavioral traits of an organism, highlighting the biological aspect of inheritance.

Sexual Orientation

Sexual orientation is an enduring pattern of emotional, romantic, or sexual attractions to men, women, or both sexes. It also refers to a person's sense of identity based on those attractions, related behaviors, and membership in a community of others who share those attractions.

Severe Stress

Severe Stress refers to an extreme level of psychological tension or discomfort, often resulting from adverse or very demanding circumstances, which can overwhelm an individual's ability to cope.