Use the Answer Code Below to Complete the Following Statements

question 14

Multiple Choice

Use the answer code below to complete the following statements.
-Heart rate can be increased by increasing _____.

• A)stroke volume
• B)end-diastolic volume
• C)cardiac output
• D)heart rate
• E)end-systolic volume
• F)sympathetic activity

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Definitions:

Dominant

Referring to a trait that overshadows or is more likely to be expressed in the presence of another.

Recessive Genes

Genes that are expressed in offspring only when inherited from both parents, as opposed to dominant genes.

Monozygotic Twins

Twins that are genetically identical because they were formed from a single fertilized egg that split into two.

Dizygotic Twins

Also known as fraternal twins, they are two siblings born from separate eggs fertilized by separate sperm, sharing 50% of their DNA, much like regular siblings.