21 across: This term describes the non-cellular portion of…

 21 across: This term describes the non-cellular portion of blood that remains after whole blood has been allowed to clot outside the body. *If the answer includes two or more words, combine them into one. *Do not add any spaces or punctuation before or after your answer. *Use all lowercase letters.

2 across :  The engulfing of microorganisms, foreign invader…

2 across :  The engulfing of microorganisms, foreign invaders, other cells or foreign particles is called ___________________. *If the answer includes two or more words, combine them into one. *Do not add any spaces or punctuation before or after your answer. *Use all lowercase letters.

28 across: Anucleated, biconvex structures that help form a…

28 across: Anucleated, biconvex structures that help form a plug wherever blood vessels have been damaged. They are not cells and are derived from cytoplasmic fragmentation of megakaryocytes in the bone marrow. *If the answer includes two or more words, combine them into one. *Do not add any spaces or punctuation before or after your answer. *Use all lowercase letters.