Urine is concentrated by countercurrent multiplier system. Note that you are looking at an inferior view of this transverse section of the trunk. They also help to keep chemicals such as potassium and sodium and water. Human physiologythe urinary system 3 organs in the urinary system kidneys and their structure the kidneys are a pair of bean shaped, reddish brown organs about the size of your fist. Anatomy of the urinary system stanford childrens health. Study notesthe urinary system kidney genitourinary system. Retroperitoneal, as are ureters and urinary bladder. Urinary excretory system ch 15 part 1 anatomy of the. Urine production essentially requires an increased. The kidneys contain microscopic filtering units that remove waste, unwanted minerals, and excess water from the blood as urine. The organs of the urinary system are organs of excretionthey remove wastes and water from the body.
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra, which filter blood and subsequently produce, transport, store, and intermittently excrete urine liquid waste by eliminating fluid and waste, the urinary system regulates important physiological parameters, such are blood volume and consequently the blood pressure, the ph of the blood by eliminating acids and. The organ system that performs this function in humansthe urinary system is the topic of this chapter. The content contained in these pages is also in the class notes pages in a narrative format. Urinary system maintains fluid homeostasis including. Urine contains water, nitrogenous wastes, foreign substances, excess ions, etc. They are covered by the renal capsule, which is a tough capsule of fibrous connective tissue. Urinary bladder hollow muscular organ generally smaller in females due to presence of a uterus retroperitoneal in the pelvic cavity, posterior to the pelvic symphysis freely movable structure. Note the retroperitoneal position and the supportive tissue layers of the kidney.
The kidney and urinary systems help the body to get rid of liquid waste called urea. Renal capsule a layer of fibrous connective tissue covering the kidneys. The urinary system consists of two kidneys, two ureters, one bladder, and one urethra. This is about as concentrated as we can make our urine. Specifically, the urinary system cleans the blood of metabolic wastes, which are substances produced by the body that it cannot. Arrangement of loops of henle creates an osmotic gradient urine produced can be hypo or hyperosmotic. Anatomy of the urinary system kidneys a pair of bean shaped organs located retroperitoneally, responsible for blood filtering and urine formation. Besides the urineforming kidneys, the urinary system in cludes the urinary. Regulate the composition and volume of the blood by. Renal cortex outer region of the kidneys where most enthrones is located. The urinary system consists of two kidneys, two ureters, a urinary bladder, and a urethra. Study notesthe urinary system free download as word doc. The kidneys alone perform the functions just described and manufacture urine in the process, while the other organs of the urinary system provide temporary storage reservoirs for urine or serve as transportation channels to carry it from one body region.
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