Ovulation is the release of a mature egg from the surface lf the ovary. This usually occurs mid cylce, around 2 weeks or so before menstruation. During the follicular phase
Answer:
intersecting circle and the universal affarmative
Explanation:
Answer:
a. antigen
Explanation:
The Immune system is composed of immune cells that defend the body against foreign substances such as bacteria or virus. Lymphocytes (B and T cells) are one of the main immune cells
Lymphocytes have the ability to recognize and bind to antigens, wich are substances foreign to the body ( i.e bacterial or virus elements) that evokes an immune response.