It tells you that they descended from a common ancestor.
Hey there! Let's solve the problem:
CD4 T cells activate CD8 T cells through an underhanded cycle including an antigen presenting cell (APC), customarily a standard dendritic cell (DC). An APC presents a peptide to a true CD4 T cell through a Class II MHC molecule.
Answer:
lateral and venteral
Explanation:
the chain extends from the upper neck down to the coccyx, forming the upward coccygeal gangilion
