<span>What are the main organs of the CNS ?
<span>The central nervous system (CNS) is the part of the nervous system that includes the brain and spinal cord.</span></span>
Answer:
False
The left atrium receives oxygenated blood from pulmonary circulation through the left and right pulmonary veins. Blood passively flows into the atria without passing through valves.
Exercise is a good way to improve your mood if your upset or depressed
