White blood cells called B lymphocytes make antibodies
Marie should be taking in 300 to 350 extra calories a day in her second trimester of pregnancy.
Crepitus is a clinical sign in medicine that is characterized by a peculiar crackling, crinkly, or grating feeling or sound under the skin, around the lungs, or in the joints. Crepitus in a joint can indicate cartilage wear in the joint space.