There are many types of macro parasites which can take on a human host. Here I examine three ectoparasites which infect the human skin. This group of parasites is very diverse. These three parasites are different species of insects.
https://www.wired.com/2014/02/split-ends-conditioners-head-lice/
https://www.researchgate.net/figure/The-burrowing-mite-Sarcoptes-scabiei-x1560_fig3_259780625
