Human Skeletal and Muscular Systems: Anatomy and Function

skeletal system:organ system that includes the bones and the connective tissues that hold the bones together.appendicular skeleton:is the part of your skeleton that is adapted to allow the body to move.axial skeleton:is made up of the bones found in the trunk and head of the body.vertebrae:bones that surround the spinal cord.cartilage:flexible connective tissue that is found between your bones.joint:place where two bones meet.joints classify into:gliding joint(flexibility the wrist and ankle)pivot joint(allows the bones in the neck to move a short distance to left to right)ball-and-socket joint(holds the upper arm and leg to trunk of the body and allows these bones to move in almost any direction)saddle joint(gives bones in the finger the ability to move in all directions but in a much more limited way than a ball and socket joint)handle joint(lets many different bones in the body toward or away from one another.ligament:is a long band of connective tissue that connects two bones across a joint.bone layers:periosteum(layer of connective tissue that covers the bones)compact bone(protects the inner layers and support the body's weight)spongy bone(cradles and protects bone marrow)calcification:the process of creating hard bone by combining collagen and calcium phosphate.muscular system:is the body system that moves bones at joints and pushes substances such as blood,food, and fluids throughout the body.muscle fibers:are muscle cells that contract or shorten when they are stimuated by the nervous system.skeleton muscle:is a type of muscle that attaches to skeleton by tendons.tendons:is a connective tissue that begins within the muscle and continues into the bone or other muscle tissue.smooth muscle:is found in many body systems and unlike striated muscle it is not striped.cardiac muscle:is muscle that is only found in the heart.myofibrils:are long strands of protein found within the muscle finer.sarcomere:is a section of a myofibril that contains all of the filaments necessary to make that section of the muscle contract.actin:filaments are thin protein fibres that are pulled to cause muscle contraction.myosin:filaments are protein that pull actin.