If the Diameter of Our Galaxy Is Approximately 100,000 Light-Years,our

question 4

Multiple Choice

If the diameter of our galaxy is approximately 100,000 light-years,our galaxy is __________ times larger than our Solar System.

• A) 100
• B) 10⁴
• C) 10⁶
• D) 10⁸

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Definitions:

Testes

The male gonads (sex glands); they release the sex hormones and produce the cells that males use for sexual reproduction, called sperm.

Endocrine System

A network of glands that secrete hormones into the bloodstream, regulating various body functions.

Behavioral Genetics

A field of study concerned with understanding how genetic and environmental factors influence behaviors, personality traits, and mental abilities.

Somatic Nervous

This pertains to the somatic nervous system, part of the peripheral nervous system associated with the voluntary control of body movements through the control of skeletal muscles.