<em>The answer is:</em> Cardio Training
I believe the term you are looking for is precision. I hope this helps!
<span><span>A. </span>B-cells
</span>
Which type of white blood cells is produced in the thymus and destroys the
cell membranes of bacteria are B-cells. These b-cells are also known and called as B
lymphocytes. Their function primarily is to create antibodies which combats
antigens such as bacteria. They are also responsible for immune regulatory
indications –cytokines. In contrast, T-cells are a type of white blood cells
that combat any substance from the inside or within the body.
Literally nothing... sorry! lol. you will definitely spot it at the other end in about 24 hours though! no worrys. i swallowed a lego once and i was fine!:)