How would you contrast specific and nonspecific defenses? Select all that apply.

Check All That Apply

• Specific immunity works only after nonspecific defenses have failed.

• Specific immunity requires a prior exposure to be effective.

• B lymphocytes work in both nonspecific defense and specific immunity.
• T lymphocytes work in both nonspecific defense and specific immunity.

• Macrophages work in both nonspecific defense and specific immunity.