to increase the years of healthy life for each American i think pretty sure
Epithelial tissue covers the body surface and forms the lining for most internal cavities. The major function of epithelial tissue includes protection, secretion, absorption, and filtration. The skin is an organ made up of epithelial tissue which protects the body from dirt, dust, bacteria and other microbes that may be harmful. Cells of the epithelial tissue have different shapes as shown on the student's worksheet. Cells can be thin, flat to cubic to elongated. Cited from: https://www.msnucleus.org/membership/html/k-6/lc/humanbio/4/lchb4_3a.html
It is a part of weber's law and if you need any help they have a bunch of quizlet stuff on this subject
A professional sports team evaluates potential players for a certain position based on two mains characteristics ,speed and strenght