Q.1
This is the immune systems’ second line of defense.
  • Plenty of sleep
  • Exercise
  • Healthy eating
  • Sneezing
Q.2
The immune system works hand-in-hand with the _________.
  • nervous system
  • respiratory system
  • circulatory system
  • lymphatic system
Q.3
This functions to form blood, store blood and filter blood. It controls and negates harmful bacteria that has found its way into the bloodstream.
  • Hormones
  • The spleen
  • Immunoglobulins
  • Granulocytes
Q.4
This is a thin, flat gland that secretes the hormone which then stimulates the activity of the lymphocytes.
  • Bone marrow
  • The thymus
  • The spleen
  • Immunoglobulins
Q.5
These are substances that originate in one area of the body and can affect other areas of the body. They use the blood stream to travel around the body.
  • Antibodies
  • Agranulocytes
  • Bone marrow
  • Hormones
Q.6
There are __ major components that make up the immune system.
  • 9
  • 6
  • 8
  • 7
Q.7
Parasites, toxins, viruses, bacteria and microbes are collectively known as _______.
  • diseases
  • illnesses
  • pathogens
  • critters
Q.8
This is a series of enzymatic proteins found in normal blood that will seek out and destroy many types of bacteria and other foreign cells.
  • Lymphatic system
  • Circulatory system
  • Complement system
  • Immune system
Q.9
White blood cells are also known as _________.
  • leukocytes
  • cytoplasm
  • neutrophils
  • basophils
Q.10
The immune system’s first line of defense is ________.
  • the skin
  • antibodies
  • bone marrow
  • antibiotics
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