immunity

immunity in which antibodies are given to a person rather than produced within the person's own body

• Artificial Passive Immunity

• Artificial Active Immunity

• Natural Passive Immunity

• Natural active Immunity

Vaccine is an example of _____________

• Natural active immunity

• Natural passive immunity

• Artificial active immunity

• Artificial passive immunity

The white blood cells that produce antibodies are T cells.

• True

• False

Leukocytes that digest viruses and bacteria are called

• B cells

• phagocytes

• T cells

• platelets

White blood cells are an important part of the human immune response. Two types of white blood cells, neutrophils and macrophages, act as phagocytes. Phagocytes perform which of the following functions in the human body? (L.14.52, DOK 2)

• They produce antibodies.

• They bind to antigens and develop into plasma cells.

• They form a barrier against pathogens.

• They engulf and destroy bacteria.