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
Meninges- three layers of connective tissue
1) Dura Mater: tough top layer
2) Arachnoid Mater: middle; collagen/elastic fibers; spiderweb effect
3) Pia Mater: delicate and thin; bottom transparent layer made up of elastic/collagen fibers; blood vessels
Overdominance occurs when a heterozygote has a more phenotype than that of either of its parents.
Hello There! ^_^
Your question: Why is it important to exercise..?
Your answer: Exercise is one of the most crucial part of keeping yourself healthy. Exercise cover 20% of your diet plan. It helps people to lose weight and decreases the risk of diseases. Exercising decreases a person's risk of growing diseases such as: High blood pressure and diabetes.
Hope this helps!