This Is the Hardest Working Cardiac Chamber and Therefore Has

question 5

Multiple Choice

This is the hardest working cardiac chamber and therefore has the thickest myocardium.

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

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Definitions:

Testosterone

A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes but also in the ovaries and adrenal cortex.

Secondary Sex Characteristics

Physical traits that are not directly involved in reproduction but distinguish the sexes, such as breast development in females and beard growth in males.

Primary Sex Characteristics

The main organs and structures directly involved in reproduction.

Menarche

A primary sex characteristic in females; a female’s first menstrual period, which signals the ability to reproduce sexually.