How does blood reach literally every cell in the body? There can’t be capillaries between every single cell when capillaries are also made of cells…. can there?

Question

How does this work?

In: 4868

Answer 1

Your corneas aren’t blood-fed. They couldn’t be transparent otherwise. The nutrients diffuse through whatever fluids they’re soluble in. Blood just makes this easier. Its not strictly required. Its just an efficient circulation mechanism.