(X-4)(X-5)......................
<span>If a scientist were to view cancer cells under a microscope, he would probably notice several differences compared to other cells. For one, cancer cells develop abnormally shaped glands. They are usually oblong and extended compared to healthy cells. Also, cancer cells are found in clumps, so that would be a characteristic easy to see with a microscope.</span>
Answer:
Most water systems test for lead as a regular part of
water monitoring. These tests give a system-wide
picture, but do not refl ect conditions at a specifi c
household faucet.
If you want to know if your home’s drinking water
contains unsafe levels of lead, have your water tested.
Testing is the only way to confi rm if lead is present or
absent.
Some faucet and pitcher fi lters can remove lead from
drinking water. If you use a fi lter to remove lead, be
sure you get one that is certifi ed to remove lead by NSF
International.
The circulatory system provides your brain with a constant supply of oxygen rich blood while your brain regulates your heart rate and blood pressure meanwhile your bones are busy making new blood cells. working together these systems maintain internal stability and balance otherwise known as homeostasi