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Unlike single-celled organisms that have direct contact with their external environment, most cells in a multicellular organisms do not have direct contract with their external environment. How do these cells acquire nutrients and eliminate wastes?
Lateral Recumbent
A position where the patient lies on their side, which is often used for patient comfort or during medical procedures.
Prone
Lying face downward; a position often referred to in medical and health contexts.
Upper Gastrointestinal Endoscopy
A diagnostic procedure that uses a flexible tube with a camera to view the upper part of the gastrointestinal tract, including the esophagus, stomach, and beginning of the small intestine.
Respiratory Distress
A medical condition characterized by difficulty breathing, often signaling acute or chronic problems with the respiratory system.
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