In terms of the medical field, we can look to see how mosquitoes actually draw blood from their prey and make more efficient and better shape. Needles that aren't as painful https://www.solvecast.com/articles/detail/27971-biomimicry-for-enhancing-products-and-the-built-environment

Biomimicry for Enhancing Products and the Built Environment with Cynthia Fishman (Read More...)