Does bones contain two different kinds of bone tissue?
Yes, the hard tissue and the Bone marrow
A tigers body, like all mammals, has a skeletal and muscular system. The skeletal system consists of many different kinds of bones that protects internal organs and supports muscles, tendons and many other types of tissues. The muscular system consists of muscular tissue that is attached to the bones. Tigers are able to move by contracting their muscles, which in turn move their bones and their skeleton.
There are primarily three kinds of joints: FIBROUS = articulating bones are held closely together by fibrous connective tissue CARTILAGINOUS = articulating bones are held closely together by cartilage SYNOVIAL = joint where there a space between the articulating bones which is filled with synovial fluid
If all silicates contain silicon and oxygen why are there so many different kinds of silicate minerals?
There are three kinds of tissues in the body; muscular, nervous, and epithelial. Actually there are five different kinds of connective tissues in the body; liquid, osseous, cartilage, loose, and dense. Also, there are three kinds of muscle tissues in the body and they are skeletal, smooth, and cardiac.
Though sometimes, some people refer to the brain as a muscle, it really is not a muscle. It is made of completely different types of tissues than a muscle. There are four kinds of tissues in the body; connective tissue, epithelial tissue, muscle tissue, and nervous tissue. The brain is made entirely of nervous tissue and contains no muscle tissue what-so-ever.