Main antibody of both primary and secondary immune response. protects mucosal barriers. involved in allergies. along with igm, this is a b cell receptor. activates complement. a. igg b. ige c. igm d. igd e. iga

A. IgG

Explanation:

Immunoglobulin G or IgG is a kind of antibody which shows both primary and secondary immune response. It is present in 75% of human serum. It is a common type of antibody in human blood circulation. It is released by the plasma B cells. It protects the mucosal barriers and it is also involved in the allergic response. It exhibit two antigen binding sites.

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

answer; i believe the correct answer is (anemia);