What is the process called where the white blood cell engulfs the pathogen?

• Digestion

• Ingestion

• Phagocytosis

• Immunology

How do white blood cells identify pathogens?

• Antigens

• Antibodies

• Chemicals

• Toxins

What is the term used to describe how antigens and antibodies fit together?

• The same pairs

• Complimentary pairs

What is the biggest first line of defence the body has?

• Skin

• White blood cells

• Acid

• Cilia

Where are white blood cells made?