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The venule is a very small vein. Arteriesalways take blood away from the heart but these arteries are too large for exchange of gasses and nutrient/wastes to occur. The arteries branch into smaller and smaller arteries. The smallest are called arterioles. The arterioles feed into capillary beds where this exchange can occur as the walls of the capillaries are very thin. Venules lead from the bed into larger and larger veins.
What else can I help you with?
What functions do capillaries and postcapillary venules share?
Small postcapillary venules consist entirely of endothelium just like capillaries (the larger venules have smooth muscle and thin externa as well). Also both capillaries and venules have no elastic tissues. Postcapillary venules are extremely porous which makes them more like capillaries then veins, and fluid and WBC's move easily into the bloodstream through these walls.
Can you find oxygenated blood in venules?
The blood in venules of the systemic circulation is deoxygenated. The blood in pulmonary venules is oxygenated.
What are The venules?
The venules are tiny blood vessels that return blood to the veins. Only 25 percent of a humans blood are contained in the venules.
What converges to form venules?
Capillaries converge to form venules. After the exchange of gases, nutrients, and waste products in the capillary beds, the deoxygenated blood collects into small veins known as venules. These venules then combine to form larger veins, ultimately returning blood to the heart.
What are the branches of veins?
venules
What is the smallest branches veins?
Venules
Smallest branches of the veins?
Venules
What carries blood to the venules?
Capillaries
What do capillaries merge into?
Veins
What connect arterioles to venules?
capillaries
The venules draining the small intestine combine to form the?
The venules draining the small intestine combine to form the superior mesenteric vein.
Where does blood go when it leaves the capillaries?
Renal vein It is not renal vein. It is venules. renal vein is only at one point of the body, were talking capillaries; which are all over the body.
