Conservation status: Endangered. Diet: Main diet is krill, also other plankton. Appearance: Blue-grey, with lighter tones on underside. Blue whales can truly claim the title of âgentle giants.â The largest creatures known to have ever lived on Earth, their tongues can outweigh elephants, their hearts can outweigh cars.
A. membrane that lines the marrow cavity of a long bone B. region between the diaphysis and epiphysis C. disk between the vertebrae D. red bone marrow E. membrane that covers the outside of a bone Question 12 of 25 (worth 1 point) Hernia of the meninges is A. a meningocele B. meningitis C. meningodysplasia D. a meningioma E. meningorrhagia.
Midlands Technical College states that the medullary cavity is a hollow space in the middle of some bones. The medullary cavities hold bone marrow, an important substance that produces blood cells, among other activities. Wikipedia states that this hollow cavity is also called the medulla or marrow cavity in some cases.