Which of the following distinguishes lymphatic vessels from veins? distinguishes lymphatic vessels from veins?
-lymphatics have valves, while veins do not.
-lymphatics lack the three tunics present in veins.
-lymphatics transport fluids toward the heart.
-permeability of the walls

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

well, you see. the answer to your question is quite simple. the thing that is big, powerful, and over 9,000 is your mom.

the correct answer to this question is #5

answer; an inhibitory postsynaptic potential;