Assertion: collagen | /r/HasProperty | tough
Facets:
value: like elastin
type: OTHER
Source sentences:
text: It is tough and helps to structure your bodily tissues, and it works in conjunction with the structural protein elastin.
text: Collagen (KOL-a-jen) is the tough glue-like protein that gives joints their support and flexibility, and it represents 30 percent of the body’s protein.
text: Like elastin, collagen is tough.
text: Collagen is so big and tough that we can’t absorb it ‘as is’ when we eat it.