Contractile proteins are found in

Skeletal muscles are mostly attached to

State whether the following statement is true or false:
The brain,spinal cord,and nerves are all composed of muscular tissue.

What are the two main components of blood? Why is blood considered a type of connective tissue?

Write true $(T)$ or false $(F)$ for the following statements:
$(a)$ Epithelial tissue is a protective tissue in the animal body.
$(b)$ The lining of blood vessels,lung alveoli,and kidney tubules are all made up of epithelial tissue.
$(c)$ Epithelial cells have a lot of intercellular spaces.
$(d)$ The epithelial layer is a permeable layer.
$(e)$ The epithelial layer does not allow the regulation of materials between the body and the external environment.

What are the two basic components of a connective tissue?