Urinary anatomy and physiology, Physiology & Anatomy part II, Upstream…
Urinary anatomy and physiology
The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal, pelvis, ureters, bladder, and urethra.
Front view of the urinary system contains the kidneys, renal pelvis, ureters, bladder, and urethra.
the body takes nutrients from food and convert them to energy
After, the body has taken the food components that it needs, waste products are left behind in the bowel and in the blood
The kidney and urinary systems help the body to eliminate liquid waste called urea, and to keep chemicals, such as potassium and sodium , and water in balance.
Urea is produced when foods containing protein, such as meat, poultry, and certain vegetables.
Urea is carried in the bloodstream to the kidneys, where it is removed along with water and other waste in the form of urine.
Other important functions of the kidneys include blood pressure regulation and production of erythropoietin, which controls the red blood cell production in the bone marrow.
kidneys also regulate the acid-base balance and conserve fluid
The bladder's walls relax and expand to store urine, contract and flatten to empty urine through the urethra
Physiology & Anatomy part II
Two spinsters muscle. These circular muscles help keep urine from leaking by closing tightly like a rubber band around the opening of the bladder
Nerves in the bladder . The nerves alert the person when it is time to urinate, or empty the bladder.
Urethra. The tube allows urine to pass through the body. The brain signals the bladder muscle to tighten, which squeezes the urine out of the bladder.
Two ureters. These narrow tubes carry urine from the kidneys to the bladder. Muscles in the ureter walls continually tighten and relax forcing urine downward, away from the kidneys.
The kidney remove urea from the blood through tiny filtering units called nephrons.
Anatomy of the kidneys, calyces, renal artery, renal vein, ureter, cortex, medulla, renal pelvis,
Each nephron consists of a ball formed of small blood capillaries, called a glomerulus, and a small tube called a renal tubule.
Urea, together with water and other waste substances , forms the urine as it passes through the nephrons and down the renal tubules of the kidney.
Upstream and downstream causes
The the kidneys cannot filter the blood efficiently or produce urine effectively. If the blood cannot filter properly, urine is not produced resulting in an increase of blood volume. An increase of blood volume increases.
overtime, uncontrolled high blood pressure can cause arteries around the kidney to narrow, weaken, or harden.
These damaged arteries are not able to deliver enough blood to the kidney issue
Damaged kidney arteries do not filter blood well. Kidneys have small, finger like nephrons that filter your blood.
With diabetes, the small blood vessels in the body are injured. When the blood vessels in the kidney are injured, you kidney cannot clean your blood properly.