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.
Using a Canner. 1  1. Use a water bath canner if your canning recipe calls for it. 2  2. If you use a large stock pot, place a rack or other spacer (such as a small towel) on the bottom of the pot so that the jars do not rest directly on the bottom of the pot. 3  3. Use a pressure canner if your recipe calls for it.