Which is true of simple squamous epithelium?Multiple choice question.cells are spaced widely apart with lots of extracellular materialit is a thick tissue, ideal for absorption and secretionthe design of the tissue makes it ideal for substances to diffuse through it

To determine which statement is true about simple squamous epithelium, let's analyze each option step by step:

1. "Cells are spaced widely apart with lots of extracellular material":

   • Simple squamous epithelium is characterized by a single layer of flat cells that are closely packed together, not widely spaced. Therefore, this statement is false.

2. "It is a thick tissue, ideal for absorption and secretion":

   • Simple squamous epithelium is actually a very thin tissue, consisting of a single layer of flat cells. It is not thick, so this statement is also false.

3. "The design of the tissue makes it ideal for substances to diffuse through it":

   • The thin, flat nature of simple squamous epithelium allows for efficient diffusion of substances such as gases and small molecules. This design is indeed ideal for diffusion.

Therefore, the correct statement is: "The design of the tissue makes it ideal for substances to diffuse through it."

The correct answer is: the design of the tissue makes it ideal for substances to diffuse through it.

Simple squamous epithelium is a single layer of flat cells in contact with the basal lamina (one of the two layers of the basement membrane) of the epithelium. This type of epithelium is often seen where passive diffusion of gases occur. The cells are tightly packed, providing a thin and smooth layer for substances to easily diffuse through.