DQ

Select two of the following discussion questions for your discussion response. Indicate which questions you have chosen using the format displayed in the "Discussion Forum Sample."

Immunity is necessary to prevent infectious diseases from spreading. Differentiate between passive-acquired and active-acquired immunity.

Immunoglobulins are necessary to protect the human physiology from diseases and pathological disorders. Explain the role of IgA, IgG, IgE. IgD, and IgM.

Stress is a component that affects the normal regulations of human physiology. Neuroendocrine regulation is important in this abnormality. How does increased catecholamine and cortisol affect the immune system.