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
I personally think about 14 or 15
Birth control pills are a popular form of contraception for women. how
do birth control pills prevent pregnancy?
b; by blocking the fallopian tubes and
keeping the eggs from reaching the uterus (<span>sterilization)</span>
