When the immune system attacks itself.
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
10, I guess. Thank you for the free points.
Answer:
The Let's Move initiative is based on the following five pillars: 1) Creating a healthy start for children, 2) Empowering parents and caregivers, 3) Providing healthy foods in schools, 4) Improving access to healthy, affordable foods, and 5) Increasing physical activity.