Question

A few practice ?'s on my study guide that I'm stuck on.

Put these in the correct sequence for phagocytosis?
chemotaxis, adherence, ingestion, digestion, killing.

What is released by activated T cells and macrophages to mobilize immune cells and attract other leukocytes into the area?
(Have it narrowed down to either:)
a) Cytokines or b)Interleukin-2 proteins

Select the correct statement about active and passive immunity? (Have it narrowed down to 2 answers)
a) active and passive humoral immunity are both mechanisms of adaptive immunity that use antibodies.
b)the antibodies utilized in active immunity are acquired from another organism