All Stars on the Main Sequence

question 67

Multiple Choice

All stars on the main sequence

• A) are in the process of forming
• B) are mature stars that are fusing hydrogen into helium in their cores
• C) are dead stars
• D) have exhausted their nuclear fuel and are in the process of dying

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Definitions:

Pituitary Gland

A small endocrine gland in the brain that produces hormones regulating growth, metabolism, and reproduction.

Hormones

Biological compounds synthesized within the body responsible for regulating and managing the functions of specific cells or organs.

Sex Glands

Organs in the body that produce sex hormones and gametes, playing a crucial role in reproduction and hormonal balance.

Limbic System

A sophisticated arrangement of neural circuits and systems within the brain, playing a key role in natural instincts and emotional states, managing primary emotions and desires.