Humoral immunity is a type of adaptive immunity that results in the circulation of which of the following throughout the blood? A. antigens

B. macrophages

C. natural killers

D. antibodies

Humoral immunity refers to the component of the adaptive immune response that is caused by B cells, antibodies, and type 2 helper T cells (Th2), as well as circulating mast cells and eosinophils to a lesser extent.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;