But the arrival of the dockless bike-share model was received mostly with praise and excitement in a city that has embraced biking as a mode of transportation. Some biking aficionados said they hope the companies will indeed bring more bikes to underserved communities of the District, including the Northeast and Southeast quadrants.
It sounds super-gross but please try to imagine it: Red muscles, pink muscles, and white muscles. The red muscles are red because they contain lots of myoglobin: a protein that binds iron and oxygen. Your blood has a similar protein called hemoglobin which binds iron and oxygen.
Skeletal muscle is a tissue muscle, which is attached to the bone. It consists of fibers grouped resemble a mixture of dark and light stripes along the bone running. These muscles are responsible for contraction and relaxation, when a person moves. Skeletal muscles are the muscles that can we see and feel with our skin. A skeletal muscle is considered to be a single unit within the muscular system of the body. Skeletal muscle works with the nervous tissue, connective tissue or blood and vascular tissue. Skeletal muscles vary in different sizes and shapes and the arrangement of the muscle fibers.