The correct answer is immunoglobulins.
Immunoglobulins, also called as antibodies, refer to the molecules or glycoproteins generated by the white blood cells (plasma cells). They function as an essential component of the immune reaction by uniquely determining and combining with the specific antigens, like viruses or bacteria, and helps in destructing them.
Cells, tissues, organs, organ systems, organisms
Aerobic is relating to & involving oxygen
Aerobic means it can function without oxygen or live in the presence without oxygen.
Work is basically the transfer of energy. Power is the work done in a unit of time, and how quickly the work could be done.