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

Good question.

Thing is, nutrients, oxygen and waste could diffuse through several cells (i think it’s somewhere between several micrometers to millimeters) so we don’t need the capillaries to individually touch every single cell