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.
In other words it is the ability to use your muscles to achieve the intended movement. Motor Skills can be divided into 2 types depending on the size of muscles used: 1. Fine Motor Skill: This is the coordination of small muscle movements usually involving the synchronization of hands and fingers with the eyes.