I found this question elsewhere on this site. I will repeat their answer to you, so all of the credit for answering this goes to Pandamille.
"C. Limit your fat and sugar intake and eat more fruit and vegetables."
<span>A pathogen exists in the ground air and living thing but does not need them to live or reproduce. It can be a virus, protozoa, parasite, fungus, or bacterium which can cause infection to human. Some pathogens lead to the disease called malaria which is from a bacteria that released toxins in the body. However, our white blood cells can destroy these pathogens.</span>
It is flexion. When the angle between the bones decreases.
Environmental Science
Hope this helps!