Carbon contributes an electron, and Hydrogen contributes an electron. The sharing of a single electron pair is termed a single bond. When two pairs of electrons are shared, a double bond results, as in carbon dioxide.
Elements of nervous system involved in motor coordinationEdit. The red nucleus is mainly involved in motor coordination of the muscles of the shoulder and upper arm, but it has some control over the lower arm and hand as well.
What you can do. For motor delays, your child's doctor may suggest that you encourage your little one to move and be active at home. He may also need: Physical therapy to help him with movements that use a lot of muscle groups; Occupational therapy to improve small movement skills or coordination problems