In your body, you have only two types of bone tissue: cortical and cancellous bone. In this lesson, we will learn about the structure and function of cancellous bone, which plays a crucial role in producing blood cells and stem cells and is the primary tissue affected by osteoporosis.
balaclava (plural balaclavas) 1  A warm cap shielding the neck and head, often made out of wool. ( 2 chiefly Canada) A ski mask with holes for the eyes and, sometimes, the nose and mouth, which may be rolled up and worn like a toque or pulled over the face for greater protection.
The cravat (/krÉËvaet/ , krÉËvÃ¦t-KRÉ) vat is a, neckband the forerunner of the modern tailored necktie and bow, tie originating from-17th century military unit known as The. croats Steinkirk was a type of cravat designed to be worn in deliberate disarray. The fashion apparently began after troops at the Battle of Steenkerque in 1692 had no time to tie their cravats properly before going into action.