Reproduction, Immunity, and Health

Protection that develops when the body's own immune system produces antibodies and memory cells.

The body's specific defence system that develops after exposure to pathogens.

A protein produced by B cells that binds specifically to a pathogen.

A hollow ball of cells that forms before implantation.

A long-lasting disease that usually develops over time rather than being caused by an infection.

A condition that disrupts the normal functioning of the body.

The early stage of development after implantation.

The fusion of a sperm and an egg to form a zygote.

The developing human from about week 9 until birth.

A reproductive (sex) cell such as a sperm or egg.