What is the hormone that causes maturity of the lymphocytes?   Lymphocytes develop in the bone marrow, until they are differentiated into their specific type - T cell, B cell or Natural Killer cell. B cells mature into B lymphocytesâ¦ in the bone marrow, aided by the hormone interleukin-7. T cells migrate to the thymus, where they mature into, you guessed it, T l ymphocytes, aided by several hormones - interleukin-1, interleukin-4, interleukin-6, thymosin, thymopoietin, and thymulin.
Is food in the refrigerator safe during a power outage? It should be safe as long as power is out no more than 4 hours. Keep the door closed as much as possible. Discard any perishable food (such as meat, poultry, fish, eggs, and leftovers) that have been above 40 Â°F for over 2 hours. Never taste food to determine its safety!
The number of days you can survive without food varies from person to person. A 2009 review in âArchiv Fur Kriminologieâ reports that humans can generally survive with no food or drink for eight to 21 days and may be able to survive without food, if they have water, for up to two months.