Capillaries are the smallest blood vessels in your body and act as the exchange point for oxygen.
Capillaries cover a total of 1,000 square miles
If by knot you mean a complicated intertwining of capillaries surrounding the nephron, they are called the peritubular capillaries. They are largely responsible for the bodies ability to concentrate urine and maintain homeostasis.
The smallest blood vessels where the blood gets to interact with the bodies tissues.
continuous capillaries continuous capillaries
This is really a biology question.The general gist of it is that every cell in your body needs nutrients and oxygen, and give off waste products and carbon dioxide. Imagine making a flat sheet of cells (pack them in real tight for efficiency). The area of that sheet would be an estimate for the number of square miles of capillaries needed to feed them all.Another way of estimating is think of slicing your body into sheets that are as thick as one cell, see how many sheets that would be, and multiplying by the area of that cross-section. This would be a rough estimate (very very rough) but it might be fun.
Capillaries The smallest of the blood vessels: capillaries.
Capillaries are the structures that connect arteries to veins.
Arteries "feed" the capillaries while veins drain the capillaries.
plmonary veins begin as capillaries and end as capillaries
Sinusoidal Capillaries
The thin walled blood vessels are called capillaries.
continuous capillaries