Tundra. The tundra is a treeless polar desert found in the high latitudes in the polar regions, primarily in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, as well as sub-Antarctic islands.
The muscles acting on the foot can be divided into two distinct groups; extrinsic and intrinsic muscles. 1  The extrinsic muscles arise from the anterior, posterior and lateral compartments of the leg.2  They are mainly responsible for actions such as eversion, inversion, plantarflexion and dorsiflexion of the foot. The extrinsic muscles arise from the anterior, posterior and lateral compartments of the leg. 2  They are mainly responsible for actions such as eversion, inversion, plantarflexion and dorsiflexion of the foot.
Solving the world's problems. . . one answer at a time. The functions of the muscular system are locomotion or mobility, strength, heat production, shock absorption, shaping the body, maintaining posture, and respiration. In addition it plays a role in the digestive process by peristalsis to move the food through.keletal muscles are attached to the bones allowing for movement. Smooth muscles line many of the bodies organs aiding in digestion. Smooth muscles line the walls of arteries, these regulate blood pressure. Lastly, cardiac muscle is what comprises the heart.