Figure 20-2 Cardiac Cycle

question 128

Multiple Choice

Figure 20-2 Cardiac Cycle
Use Figure 20-2 to answer the following questions:
-What occurs at the circled label "5" on the graph?

• A)peak systolic pressure
• B)isovolumetric systole
• C)isovolumetric contraction
• D)ventricular refilling
• E)increased heart rate

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Definitions:

Nonshared Environment

The unique environmental factors that are experienced differently by individuals within the same family, contributing to differences among siblings.

Shared Environment

Environmental factors that contribute to sibling similarities, including family background and childhood experiences.

Genetics

The examination of genetic inheritance and the differences in traits passed down through generations.

Gene Expression

How much a gene influences traits or outcomes.