The nervous system is able to send impulses to muscles to contract. The heart is made up of muscle tissue. But the heart contracts without the participation of the nervous system. Nerve impulses arise in the heart itself. That is, the nervous system cannot influence the order in which the ventricles contract. Moreover, the nervous system cannot directly speed up or slow down the work of the heart. It can only act on certain glands, such as the adrenal glands, to release hormones that can affect the heart.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.