Galactic Cannibalism Refers to

question 22

Multiple Choice

Galactic cannibalism refers to

• A) binary galaxies.
• B) the merging of galaxies.
• C) galaxies drawing in gas from the intergalactic medium.
• D) the destruction of a galaxy's globular clusters by the galaxy's nucleus.
• E) none of these.

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Definitions:

Withdrawal Reflex

An involuntary reaction to a painful or harmful stimulus that results in the quick retraction of the body part exposed to the danger, providing a protective mechanism.

Stretch Reflex

A muscle contraction in response to stretching within the muscle, designed to maintain muscle tone and posture.

Golgi Tendon Reflex

A reflex that protects tendons and muscles from excessive tension by causing muscle relaxation when force is too great, preventing damage.

Reciprocal Innervation

A neuromuscular phenomenon in which the contraction of one muscle is accompanied by the relaxation of its antagonist muscle.