What would happen if you didnt have capillaries? If we didn't have capillaries, we would die. This is because CAPILLARIES are the passageways ... wiki.answers.com |
Unlike the arteries and veins, capillaries are very thin and fragile. The capillaries are actually only one epithelial cell thick. They are so thin that blood cells can ... www.fi.edu |
The capillaries basically exchange materials with their surroundings. Their walls are very thin and are made up of a single layer of cells, where gases, nutrients. uk.ask.com |