Cyanosis is a sign of lack of oxygen in the blood, seen as a bluish or grayish discoloration of the skin, nail beds, and/or lips.

Name: Cyanosis is a sign of lack of oxygen in the blood, seen as a bluish or grayish discoloration of the skin, nail beds, and/or lips.
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Cyanosis is indeed a sign of lack of oxygen in the blood, resulting in a bluish or grayish discoloration of the skin, nail beds, and/or lips.

Cyanosis Is a Sign of Lack of Oxygen in the Blood