Question 1
When an infection invades the body, lymph nodes swell as they fight infection by producing
◦ white blood cells
◦ red blood cells
◦ antibiotics
◦ lymphocytes
Question 2
A condition in which bone marrow cannot create red blood cells is called
◦ anemia
◦ leukemia
◦ splenomegaly
◦ myeloproliferative