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it is because for the diffusion of water and oxygen molecules

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12y ago
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13y ago

Capillaries need to have very thin walls so that nutrients and oxygen can easily pass through those walls to supply the cells of the body.

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Q: Why capillaries have a single layer of epithelial cells?
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How many cells thick are the walls of capillaries?

They walls are a single layer of squamous epithelial cells.


Which blood vessel are the smallest consisting of only a single layer of epithelial cells?

capillaries


Can exist as a stratified layer as on the skin or a single layer as in capillaries?

Epithelial tissue exists in stratified and single layers.


What are cells arranged in a single layer?

Simple epithelial cells.


What has a single layer of epithelial cells?

Simple Squamous epithelial cells are found in the lung (alveoli), lining the lumen of blood vessels, and lymphatic vessels, and also in the kidneys.


What are the tiny air sacs within the lungs that are made of a single layer of squamous epithelial tissue and are covered with very small capillaries?

alveoli


Is alveolar epithelium a structure between the air in the alveoli and the blood in the capillaries?

Yes it is. Infact, the alveolus is made up of a single layer of epithelial tissue.


What the alveoli?

The alveoli consist of an epithelial layer and extracellular matrix surrounded by capillaries.


Which part of the respiratory system is composed of a single layer of epithelial tissues surrounded by a network of capillaries?

The alveoli in the lungs are made of a wet wall that is one cell thick with a network of capillaries to facilitate gas exchange.


What is the epithelium that occurs in a thick layer of cells?

If epithelial cells are more than one layer thick, it is considered stratified epithelial tissue.


How do you make a sentence with Epithelial?

The outer layer of our skin is composed of dead epithelial cells.


Difference between striated squamous epithelial tissue and squamous epithelial tissue?

Saquamous cells are flat cells. Single cell layer of these squamous cells is called saqumous cell epithelium. The stratified epithelium means formed of layers [strata] of cells which may or may not be squamous cells. The functions of these layers are different.