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The bacterium known as Mycobacterium tuberculosis specifcally infects:

Lymphatic macrophages function by:  

The final structures that receive an impulse in the cardiac conduction system are known as __________________.

A person with Type B blood has __________________ agglutinogens and ______________________ agglutinins.

A patient’s blood sample indicates a high number or neutrophils. This indicates that the person has a:

Which of the following is considered to be a function of the spleen?

_____________________ cells function by directly destroying viruses and cancer cells by poking holes in them.

Vaccines are examples of 

Which of the following acts to pump fluid through lymphatic vessels?

________________ can occur when oxygen supplies to cardiac muscle is reduced or cut off.