Question 1 Which statement best describes why pathogens are harmful?

A Pathogens can never be destroyed.
B Pathogens disrupt homeostasis by infecting cells.
C Pathogens deliver oxygen to body cells.
D Pathogens produce antibodies that will then kill the host.

Which statement best explains the relationship between diet and osteoporosis? a. cholesterol blocks calcium from reaching bone cells. a diet that is high in cholesterol can lead to osteoporosis. b. calcium and phosphorus build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis. c. protein and iron build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis.