Assertion: epidermis's cell | /r/HasAspect | function
Facets:
Source sentences:
text: These cells have hard and extremely thick secondary walls due to uniform distribution and high secretion of lignin and have a function of providing mechanical support.
text: Parenchyma cells are living cells that have functions ranging from storage and support to photosynthesis (mesophyll cells) and phloem loading (transfer cells).