Muscle is fibrous tissue that contracts to produce movement. There are three types of muscle tissue in ... filaments that comprise myosin and actin proteins. The dark stripes indicate thick ...

there are two main types of protein molecules. These molecules are the major structural material of animal tissue and are found in animal hair, nails and muscle. Fibrous proteins have their long ...

For starters, fat does not come in one singular form but rather can be broken down into four different types ... such as ...