Answer:
A. B cells
Explanation:
B cells are involved in the specific immune response that exhibits specificity, memory and self-non-self distinction. This immune response is also called as adaptive immunity. B cells are produced in the bone marrow. An encounter of B cells with antigen activates them for multiplication.
The activated B cells produce plasma cells which in turn produce specific antibodies that bind to the specific antigens and start the adaptive immune response.
Partly genetic from body type, but most of it has to be acquired to be able to be good at athletic abilities <span />
Answer:
It's the ( Synovial membrane )
Homologous genes carry the same sequence of genes for the same traits. They don't always have the same alleles, though.
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