a "Y" shaped protein molecule that recognizes foreign substances and bonds with specific antigens.

• Antibodies

• Plasma B Cell

• Virus

• Antigen

Signals the production of antibodies; it is a marker on the surface of cells.

• Antibody

• Antigen

• Leukocyte

• Virus

Plasma B-Cell

• Immune cells that are made and mature in the bone marrow

• Immune cells that are made in the bone marrow but mature in the thymus

• A chemical in your body causes symptoms of allergies

• Nonspecific scavenger cell

Histamine

• Chemical in your body that causes many symptoms of an allergy

• Type of white blood cell

• Marker on the surface of cells

• Nonspecific scavenger cell

Non-specific scavenger cell; engulfs foreign invaders and helps protect us from pathogens

• Macrophage

• Leukocyte

• Plasma B-Cell

• Antibody

Another name for a type of white blood cell

• Leukocyte

• Histamine

• Macrophage

• T-Cell

Organisms or particles that have the potential to cause a disease.

• Pathogen

• T-Cell

• B-Cell

• Thymus

The process of "eating" or engulfing cells

• Phagocytosis

• Macrophage

• Septicemia

• Pathogen

The spleen....

• filters the blood.

• matures B-cells.

• Matures T-cells.

• Creates blood cells.

Select all that apply to the T-cell.

• Made in bone marrow

• Mature in bone marrow

• Mature in thymus