Innate immunity includes all of the following EXCEPT Group of answer choices production of interferon. production of antibody. inflammation. phagocytosis. activation of complement.

Providing immunity by injecting the body with a weakened form a pathogen is known as

Cells destroy body cells infected by a virus or bacteria.

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.