Lymphocytes that are clones of activated B cells or T cells that enhance resistance to future infection are called:
a. memory cells.
b. clones cells.
c. enhanced cells.
d. recall cells.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

All annelids and arthropods have a blank body plan . unlike annelids, arthropods also have blank . the circulatory system of annelids is blank , while circulatory system of arthropods is blank .