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.
The process of boiling items in water serves the same purpose. For example, parents are encouraged to boil baby bottles and cooks are encouraged to boil canning jars prior to first use. The average time of boiling to sterilize baby bottles is 5 minutes and for canning jars is 10 minutes.