The 2010 MLB trade deadline is fast approaching, and though some big deals have already been swung, rumors of several other deals remain as deadline enthusiasm nears a fever pitch. Here, SB Nation's Jeff Sullivan answers some trade deadline FAQ to get the less familiar reader up to speed on just what's going on.
After spongy bone is formed in the diaphysis, osteoclasts break down the newly formed bone to open up the medullary cavity. The cartilage in the epiphyses continues to grow so the developing bone increases in length. Later, usually after birth, secondary ossification centers form in the epiphyses.
1). Most bones contain both types of tissue. Spongy bone occurs in most bones and combines low density and low strength with very high surface area, making it very porous. Spongy bone is found inside all compact bones and composes most of the tissue of the spine, vertebrae and ends of long bones.n additional 34 million people with osteopenia (low bone mass) are at risk of developing osteoporosis. Osteoporosis directly contributes to over 1.5 million fractures each year, and 50 percent of all women will experience an osteoporosis-related fracture in their lifetime.