Which of the following statements are correct for the tissue shown in the image?
$I$ - Flattened cells with irregular boundaries
$II$ - Secretory cells
$III$ - Single-layered
$IV$ - Found in the walls of blood vessels and air sacs of lungs
$V$ - Functions as a diffusion boundary

The outer layer of the skin is made up of keratinised epithelium. This is because:

Identify the given diagram of tissue performing secretion and absorption.

Which is incorrect about compound epithelium tissue?

What is the basement membrane composed of?

Read the following statements and answer the question.
$(i)$ It is made of a single thin layer of flattened cells with irregular boundaries.
$(ii)$ They are found in the walls of blood vessels and air sacs of lungs.
$(iii)$ They are involved in functions like forming a diffusion boundary.
Which of the following characteristics of tissue is being described by the above statements?