Examlex
An astronaut would feel ________ as he or she crossed the event horizon of a stellar black hole.
Mucus
A sticky, slippery secretion produced by glands and membranes within the body, serving to moisten, lubricate, and protect.
Respiratory Distress Syndrome
A serious condition where the lungs cannot provide enough oxygen to the body's vital organs, often seen in premature infants.
RSV
Respiratory Syncytial Virus is a common respiratory virus that usually causes mild, cold-like symptoms but can be serious in infants and older adults.
COPD
Chronic Obstructive Pulmonary Disease, a group of lung conditions that cause breathing difficulties.
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