Assertion: mucus | /r/HasProperty | white blood cells
Facets:
Source sentences:
text: Dr. Luqman Seidu on WebMD says that mucus becomes various shades of yellow or green due to neutrophils (white blood cells) that have a green-colored enzyme.
text: These bacteria-busting cells contain a green enzyme, and when there are many white blood cells, the phlegm or mucus will turn yellowish-green color.1