Blood and saline solution have very different viscosities, meaning they are absorbed at different rates. “The saying ‘blood is thicker than water’ is technically true,” Samuelson Bannow says.

Ultimately, what you need to know when it comes to different tampon sizes is that the size refers to its absorbency, not the actual length or width of the tampon body. Here's how to decode what ...

Explain to students that one of the properties of a material they can test is whether or not the material absorbs water. Note: Some students may not be familiar with the term “absorb” or “absorbency” ...

Menstrual products like tampons typically have an absorbency level listed on the side of their packaging. But until recently, that absorbency had never been measured with actual blood. June 25, 2025 ...