Question

1} name the chemical substance present in the wall of sclerenchyma?
2} differentiate between voluntary and involuntary muscles?


plz answer as fast as possible...

Answer 1

Sclerenchyma is the tissue which makes the plant hard and stiff. Sclerenchyma is the supporting tissue in plants. Two types ofsclerenchyma cells exist: fibers and sclereids. Their cell walls consist of cellulose, hemicellulose and lignin.

difference between voluntary and in voluntary
muscles

the action of voluntary muscles are under our control where as the actions of involuntary muscles are not in our control
voluntary muscles are found in limbs, arms.
involuntary muscles are found in stomach ,kidney