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because lumen carries biochemical processes for the cells.
Simple squamous cells in the lumen of the urethra provide a protective lining for the tube that carries urine from the bladder to the exterior of the body.
The lumen is the size of the inside of the blood vessel. The type of blood vessel that has a lumen approximately the same diameter as a single red blood cell is a capillary.
It diffuses from lumen of gut to cells .
The digestive system features lumen in the gastrointestinal tract. Absorption is the passage of digested end products from the lumen of the GI tract through the mucosal cells into the blood or lymph.
nice
Narrow
because lumen carries biochemical processes for the cells.
Yes, they are very narrow (1 Red Blood Cell in diameter).yes.they have lumen so that erythrocytes can moves through theb,
They are situated in between the arteries and veins. Since they are situated in between this two tissues they facilitate the exchange of substances between them.They have thin walls .The thin walls allow them to quickly and easily allow substances to diffuse through or pass through themThey have a very narrow lumen. The narrow lumen encourages red blood cells to give up oxygen as they squeeze by body tissues
Simple squamous cells in the lumen of the urethra provide a protective lining for the tube that carries urine from the bladder to the exterior of the body.
The lumen is the size of the inside of the blood vessel. The type of blood vessel that has a lumen approximately the same diameter as a single red blood cell is a capillary.
It diffuses from lumen of gut to cells .
The digestive system features lumen in the gastrointestinal tract. Absorption is the passage of digested end products from the lumen of the GI tract through the mucosal cells into the blood or lymph.
A specialized function shared by the many cells lining the lungs and the lumen of the gut is increased exchange surface provided by their membranes. Interstitial fluid provides for the exchange of materials between blood and body cells.
bone narrow
because it has very small lumen