A normal kidney is between 4 and 5 inches in length. The kidneys are located in the posterior lower abdominal cavity. Kidneys clean the blood of waste and regulate electrolytes within the body.Know More
The kidneys are a vital part of the urinary system. They help to regulate blood pressure and also produce hormones, including calcitrol, which aids in the absorption of calcium, and erythropoietin, which helps in the formation red blood cells.
Nephrolithiasis, or kidney stones, is a common condition that interferes with normal kidney function. This occurs when minerals within the urine form stones, which can either partially or completely block the flow of urine.Learn More
According to KidsHealth.org, a human's eyes do continue to grow into adulthood. There is a common misconception that a person's eyes are full size at birth.Full Answer >
The heart of an average human beats approximately 2.5 billion times over the typical lifetime of 70 years. This equates to pumping about 51,100,000 gallons of blood.Full Answer >
Starling’s law of the heart, which is actually Frank-Starling’s law, shows that the stroke volume of the heart grows as the volume of blood filling the heart increases, even if everything else stays the same. The law was named after two different physiologists, Otto Frank and Ernest Starling.Full Answer >
There are hundreds of lymph nodes located throughout the entire human body. Clumps of lymph nodes are found mostly in the abdomen and the thorax, with a large portion of lymph nodes found in the armpits and groins of humans.Full Answer >