A) increasing the metabolic rate of body cells.
B) speeding up defense reactions.
C) increasing the rate of tissue repair.
D) creating an inhospitable internal environment for pathogenic bacteria.
E) enhancing the secretion of antibodies by plasma cells.

A) natural killer cells
B) B lymphocytes
C) basophils
D) T lymphocytes
E) macrophages

A) Cranberry juice contains chemicals that kill viruses and bacteria.
B) The increased volume of fluid in the bladder causes bacterial cells to burst as they absorb the excess fluid.
C) Cranberry juice makes the urine more acidic, decreasing the rate at which microorganisms can grow and reproduce.
D) Cranberry juice increases the efficiency of urine production by the kidneys.
E) Cranberry juice enhances the action of phagocytic cells.