Which of the Following Best Describes What We Mean by a Habitable

question 65

Multiple Choice

Which of the following best describes what we mean by a habitable world?

• A)a planet or moon that lies within its star's habitable zone
• B)a planet or moon on which humans could survive if we happened to go there
• C)a planet or moon that could support life, if any life happened to be on it
• D)a planet or moon with life

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Definitions:

Arterioles

Small branches of arteries leading into capillaries that are primary regulators of blood flow and pressure.

Blood Vessel Type

Refers to the various classes of blood vessels, including arteries, veins, and capillaries, each serving specific roles in circulation.

Pulmonary Circuit

Circuit through which blood flows from the heart to the lungs and back.

Hepatic Portal Vein

A blood vessel that carries blood from the gastrointestinal tract and spleen to the liver.