First and Second Lines of Defense
This is what the first line of defense consists of.
What is physical and chemical barriers?
This part of the immune system is located in the central cavities and interior spaces of bones.
What is bone marrow?
These act as the body's immune system checkpoints, filtering lymph fluid to detect and destroy foreign invaders like bacteria, viruses, and cancer cells.
What are the Lymph Nodes?
This system includes the skin, stomach acid, mucus, etc.
What is the Innate Immune System?
This is what the second line of defense consists of.
What is specialized cells and processes?
This is apart of the immune system located in the upper left quadrant of the abdomen, tucked under the rib cage and just behind the stomach.
What is the spleen?
This organ of the immune system is responsible for creating 500 billion blood cells a day.
What is Bone Marrow?
This cell often dies while eating bacteria.
What is the White Blood Cell?
This is the very first line of physical defense of the body.
What is the skin?
This is apart if the immune system located in the upper chest, directly behind the sternum and in front of the heart.
What is the Thymus?
This primary organ of the immune system produces and matures T-lymphocytes.
What is the Thymus?
This is the cell that if it fails any test, it is asked to kill itself by its teacher cell.
What is the T-cell?
This is what researchers originally called the immune system.
What is the Lymphoid system?
This person is generally credited with discovering the cellular immune system.
Who is Élie Metchnikoff?