Answer:
They help to stop harmful germs from entering the body
Explanation:
- The skin can prevent bacteria and microorganisms from entering the body (unless it is damaged)
- Mucous membranes line the mouth and nose and are coated with secretions that fight microorganisms and harmful bacteria
- Tears help to clear debris from the eye to prevent infection
Answer:
The periodic table can tell you. Hope this helps!
The prokaryotic cell lacks a nucleus and membrane bound organelles.
I believe that it's Bilateral symmetry. Hope it's right. :)
