State whether the following statement is true or false:
Epithelium covers most organs and cavities within the body.

$(a)$ Identify the given figures.
$(b)$ State in brief their structure.
$(c)$ Describe the role performed by the two.

Identify the simple permanent plant tissue with the following descriptions and also mention their location in the plant body:
$(a)$ Cells have irregular wall thickenings.
$(b)$ Tissues with large intercellular spaces and cells having large air cavity.
$(c)$ Cells are long,narrow,and dead in nature.

What are the distinctive features of cardiac muscles?

List the characteristics of cork. How are they formed? Mention their role.

Identify the parts labeled $(a)$,$(b)$,and $(c)$ in the given diagram and state one function for each.