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The heart and the kidneys are involved in maintaining hemodynamic stability and organ perfusion through an intricate network. Patients who have renal failure first may be hard to determine if heart failure is concurrent. [3] These two organs communicate with one another through a variety of pathways in an interdependent relationship.
The adjective renal, meaning related to the kidney, is from the Latin rēnēs, meaning kidneys; the prefix nephro-is from the Ancient Greek word for kidney, nephros (νεφρός). [37] For example, surgical removal of the kidney is a nephrectomy , while a reduction in kidney function is called renal dysfunction .
In humans, the kidneys together receive roughly 20 - 25% of cardiac output, amounting to 1.2 - 1.3 L/min in a healthy adult. [1] It passes about 94% to the cortex. RBF is closely related to renal plasma flow ( RPF ), which is the volume of blood plasma delivered to the kidneys per unit time.
Circulatory system: pumping and channeling blood to and from the body and lungs with heart, blood, blood vessels; Digestive system: digestion and processing food with salivary glands, esophagus, stomach, liver, gallbladder, pancreas, intestines, rectum, anus
Locally expressed renin–angiotensin systems have been found in a number of tissues, including the kidneys, adrenal glands, the heart, vasculature and nervous system, and have a variety of functions, including local cardiovascular regulation, in association or independently of the systemic renin–angiotensin system, as well as non ...
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Since the heart is a very aerobic organ, needing oxygen for the efficient production of ATP & Creatine Phosphate from fatty acids (and to a smaller extent, glucose & very little lactate), the coronary circulation is auto regulated so that the heart receives the right flow of blood & hence sufficient supply of oxygen.
The solid organs are the liver, pancreas, spleen, kidneys, and adrenal glands. The hollow organs of the abdomen are the stomach, intestines, gallbladder, bladder, and rectum. [6] In the thoracic cavity, the heart is a hollow, muscular organ. [7] Splanchnology is the study of the viscera. [8]