Which of these is a way the immune system works with other body systems? A. It replaces skin cells

B. It produces osteoblasts

C. It filters mucus

D. It filters blood

What is the 77 element on the periodtic table

Which best describes carbon dioxide’s path out of the body

How have crops been modified? a.plants have been made more susceptible to pests b.plants have been made resistant to herbicides c.plants have been made more susceptible to herbicides d.plants have been modified to have reduced yield