Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan

Exercise 42

Critical thinking is the ability to reason and solve problems using facts and concepts. These questions can be approached from a number of angles and, in most cases, they do not have a single correct answer.
A small-diameter capillary tube is used to transfer blood from the fingertip to a hemocytometer during a complete blood count. Describe both the inter- and intramolecular forces that allow the blood to travel up the capillary tube without the use of suction.