Answer:
The organisms homeostasis
Answer:
except natural killer cells.
Explanation:
The Helper T cells produce cytotoxic T cells and help B cells, but not natural killer cells
Answer:
it is number 2 becuase it both has to be the same
Explanation:
Answer:
D
Explanation:
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant.
Answer:
notochord, dorsal hollow nerve cord, pharyngeal slits, and a post-an4l tail
Explanation:
had to censor second to last word but the 4 is an a