The skeletal muscles of the whole body are muscles that connect to the skeletal system via tendons, the use of these muscles is to carry out the movement of the skeletal system. The smooth muscles of the body are the muscles that cannot control their movement, smooth muscles are found around some organs. The cardiac muscles are the muscles of the heart, the heart is a muscle itself and does not pause, it pumps blood throughout the body every second of daily life, the being it is in is alive, for the most part. Bones in the body are found throughout the body according to livescience.com and are used for “support, movement, protection, blood cell production, calcium storage and endocrine regulation.” Cartilage is a tissue, cartilage is found where the body needs a little more flexibility than in more places (interactive-biology.com). Ligaments in the body are found where joints are, in reality joints are made up of many ligaments. The two systems work with other systems to provide support and enable movement throughout the body, the systems work together by causing the nervous system to send signals to the body's skeletal muscles, which then contract to produce movement. In the bone marrow, blood cells are produced by hemocytoblasts and are created with the right elements