Although not made up entirely of muscles, our heart is a muscular miracle. The heart has three main layers: 1. Epycardium, a membranal layer that lubricates the heart. 2. Myocardium, a muscular layer responsible for the pumping of blood 3. read more
Although not made up entirely of muscles, our heart is a muscular miracle. The heart has three main layers: 1. Epycardium, a membranal layer that lubricates the heart. read more
Skeletal muscles are called striated because they are made up of fibers that have horizontal stripes when viewed under a microscope. These muscles hold the skeleton together, give the body shape, and help it with everyday movements (known as voluntary muscles because you can control their movement). read more