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Alveoli
Epithelial tissue (simple squamous epithelium) forms the inner lining of blood vessels
Granulation tissue is derived from the endothelial lining of blood vessels.
It is the thin lining that goes through the outer surface of blood vessels and cavities.
Simple Squamous epithelial cells are found in the lung (alveoli), lining the lumen of blood vessels, and lymphatic vessels, and also in the kidneys.
Epithelial cells are the lining cells. they are not a tissue. this is to be understood first. the outermost lining is known as the epithelial cell lining. it is provided its nutrition through diffusion- indirectly through blood. BUT they DO NOT have a blood vessel supply, since they are not an organ/tissue, just a cell lining.
The tiny blood vessels that surround the alveoli arecalled alveolar capillaries
The smallest blood vessels of the body = capillaries
The flow of blood and tissue cells from the uterus is called menstruation. During menstruation, the lining of the uterus sheds and is expelled through the vagina. This process is accompanied by the flow of blood, which is a mix of tissue cells, uterine lining, and blood from the ruptured blood vessels in the uterus.
Alveoli
capillaries
It gives off the Co2 which is produced in the blood vessels covering the alveoli