It's definitely letter A. Mononucleosis
Answer:
musculoskeletal system
Explanation:
Osteopathic medicine -
It is the specific branch of the medicine , which focus on the interrelated unity of the system in the body i.e. , the musculoskeletal system , is referred to as the Osteopathic medicine .
The people working on the Osteopathic medicine are referred to as the osteopaths .
Hence , from the given information of the question ,
The correct term is musculoskeletal system .
B) Can be done anywhere outside
It irritates your lungs and throat and it ca cause inflammation
the state of being protected against the unauthorized use of information, especially electronic data, or the measures taken to achieve this.