Answer:
The cells lying in the deeper layer of periosteum are known as osteoblasts (bone forming cells). These cells divide continuously and form the osteocytes, thus increase the thickness of bone. ... The process of reshaping the bone is called <u>remodeling </u>and it is one of the major factors responsible for increasing size of marrow cavity.
The autonomic nervous system releases chemical messengers to influence its target organs
The principal advantage of asexual reproduction is that the organism does not have to waste time or energy looking for a mate.
Answer:
the cylindrical bundle of nerve fibers and associated tissue which is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system.
