is the heart posterior to the lungs

quigley March 30, 2022 heart , is , posterior , to Comment

There are two distinct but linked circuits in the human circulation called the pulmonary and systemic circuits. M1 Anterior Neck and Thorax Back and Spinal Cord Larynx Pharynx and Cervical Sympathetic Trunk Superior Mediastinum and Root of Neck Heart Lungs and Ventilation Pathway Posterior Mediastinum Kidneys and Urinary System Abdominal Wall Peritoneum and Intestines Stomach Liver and Spleen Duodenum.

Figure Posterior View Of Heart And Statpearls Ncbi Bookshelf

Although both circuits transport blood and everything it carries we can initially view the circuits from the point of view of gases.

. The pulmonary circuit. The apex of the lung extends into the root of the neck reaching shortly above the level of the sternal end of the first rib. The right side of the heart pumps oxygen-poor blood to the lungs to be re-oxygenated.

The right side of the heart is considered the systemic circuit pump. The ventricles serve as the primary pumping chambers of the heart propelling blood to the lungs or to the rest of the body. Cardiac muscle does not.

The lungs are located in the chest on either side of the heart in the rib cageThey are conical in shape with a narrow rounded apex at the top and a broad concave base that rests on the convex surface of the diaphragm. For this reason the right side of the heart is considered the pulmonary circuit pump. The left side of the heart pumps blood to the body and is therefore considered the systemic circuit pump.

Lungs And Heart Posterior View Labelled Illustration Stock Image C043 4864 Science Photo Library