Passive immunity lasts only as long as the antibodies survive in body fluids, and antibodies are administered to the patient in a process called passive immunization. Given these facts, how long can antibodies protect the body among the following options:
- As long as antibodies survive
 - Slowing the transfer of heat
 - For a set time
 - by keeping them warm
 - it protects them
 - Into elderly years
 - As long as the human survives
 - A compound that donates proton


 

 As long as antibodies survive        