bone marrow is the spongy tissue inside our bones all bones in newborn babies have active marrow which means they are producing new marrow cells by the time your child reaches young adulthood the marrow inside the bones of the hands feet arms and legs stop producing new marrow cellsur bone marrow produces blood cells called red blood cells platelets and white blood cells inside the marrow blood cells start off as young immature cells called stem cells
Water Bath Method Instructions. 1  Fill a large saucepan two-thirds full of hot water to boil. 2  Fill boiling water bath canner half-full of hot water. Put canner on to heat. 3  Examine jars and sealing surfaces to make sure that all surfaces are smooth. Wash jars and sealers (rims) in hot, soapy water.
(Note: The flat metal lid is not reusable.) You will also need a boiling-water canner or a large pot that is at least 2 inches taller than the largest jar you plan on processing and is outfitted with a rack and lid. Use a jar lifter or tongs to safely lower and remove jars. Lastly, you will need a long, thin, nonmetallic skewer to insert into the length of the jar to remove trapped air bubbles. Home canning kits include everything you'll need.