O and B Stars Are Important Spiral Tracers

question 14

True/False

O and B stars are important spiral tracers.

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Definitions:

Arterioles

Small branches of arteries that lead to capillaries, controlling blood flow and pressure via constriction and dilation.

Arteries

Blood vessels that carry oxygenated blood away from the heart to various parts of the body.

Potassium Ions

Charged particles formed from potassium atoms, essential for various bodily functions including nerve transmission and muscle contraction.

Calcium Ions

Positively charged calcium atoms that play crucial roles in various biological processes, including muscle contraction, neurotransmitter release, and bone formation.