Macromolecules play vital roles within your body. Macromolecules are large molecules within your body that serve essential physiological functions. Encompassing carbohydrates, proteins, lipids and nucleic acids, macromolecules exhibit a number of similarities.
Cerebellum. The cerebellum (infratentorial or back of brain) is located at the back of the head. Its function is to coordinate voluntary muscle movements and to maintain posture, balance, and equilibrium.
movement: The back of the frontal lobe is where your premotor and primary motor cortex is. This is where the brain takes over control of your muscles from your spinal cord and where your brain plans out complex moves, without thinking, such as a tennis shot.