Answer:
– Natural exposure to infectious agent stimulates your own B cells to produce antigen-specific antibodies – Artificial immunization (vaccination) with key antigens or epitopes from an infectious agent does the same thing – Active immunization results in immunologic memory (more vigorous response next time)
Explanation:
Vitamin C because it is a water-soluble
B) Chorion
(Chorion Frondosum, which ultimately develops into the placenta.)
B. Helminths. Tapeworms are Platyhelminthes
Answer:
yes
Explanation:
everyone is entitled to adequate care per the constitution