What do bone marrow and the epidermis have in common

Mike is working hard at a marching band practice on a hot saturday afternoon he has flushed moist skin and sharp pain in his legs what he illness is he most likely experiencing

Which action best increases one’s stamina a) exercising when you feel like it b) saving so much that one like sleep c) refusing to exercise to save the energy needed to work d)exercising on a regular basis

Once you have come to a decision, you should "go" over it and