Sound #2: The Squeal of a Banshee, But Under the Hood. 1  What you hear: A loud squealing noise coming from under the hood. 2  Whatâs happening: This is a classic sign of a loose or worn serpentine belt. 3  Cause for concern? Yes, because the serpentine belt powers all of your carâs major systems.
In Depth: Vessels. The kidneys are important to the bodyâs production of urine, but they also play a role in regulating important components of the blood. Blood comes to the kidneys from the abdominal aorta and inferior vena cava, the large arteries and veins that are part of the ascending aorta. Oxygenated blood is brought to the kidneys from a small branch called the renal artery.
Most of the bile produced by the liver is pushed back up the cystic duct by peristalsis to arrive in the gallbladder for storage, until it is needed for digestion. Blood Vessels. The blood supply of the liver is unique among all organs of the body due to the hepatic portal vein system. Blood traveling to the spleen, stomach, pancreas, gallbladder, and intestines passes through capillaries in these organs and is collected into the hepatic portal vein.