Sentences with Sputum

During the cooking class, the chef explained the importance of proper hygiene, including washing hands to prevent contamination from sputum.

After recovering from the flu, Tim coughed up a small amount of sputum, signaling the end of his illness.

The biology textbook explained that the analysis of sputum can reveal valuable information about the respiratory system.

The young detective found a mysterious vial containing an unidentified substance resembling sputum at the crime scene.