1 Collagen is most commonly found within the body in the skin, bones and connective tissues. 2  The word collagen is derived from the Greek kolla, meaning glue.  Collagen gives the skin its strength and structure, and also plays a role in the replacement of dead skin cells.
sieve A sieve is a mesh strainer used to separate lumps and clumps from the fine material. Sieves are handy for everything from sifting flour to prospecting for gold â anything where you need to separate the big from the small. If youâre an archaeologist, you've probably used various sorts of sifters and shakers to sieve through the soil to recover even the tiniest artifacts.
The breve is the diacritical mark that indicates a vowel should be pronounced with a short vowel sound. The breve is a half moon shape that looks like a parenthesis printed sideways with the opening at the top. It would be placed over the a in cat or the i in sit. It is used with all vowels.