A(n)____ Is Any Substance That the White Blood Cells Recognize

Q13: _ is a bacterial infection of the

Q14: How does stress affect the body's immune

Q15: _influenza,or bird flu,caused by viruses that occur

Q16: A person who contracts one or more

Q17: Which type of hepatitis is potentially fatal but

Q19: The antibody-containing portion of blood fluid is

Q20: The spleen,thymus gland,lymph nodes,and lymph vessels are

Q21: Match the items with the appropriate description.<br>-symptoms

Q22: Though this microbe lives on the skin

Q23: One of the great success stories of