1. The Two Urethral Sphincters Maintain Urinary Continence. The internal urethral sphincter and the external urethral sphincter both provide muscle control for the flow of urine. The internal sphincter is involuntary. It surrounds the opening of the bladder to the urethra and relaxes to allow urine to pass. … Meer weergeven Urine produced in the kidneys travels down the ureters into the urinary bladder. The bladder expands like an elastic sac to hold more urine. As it reaches capacity, the process of micturition, or urination, begins. … Meer weergeven The bladder expands as urine flows in from the ureters, but there is a limit to the volume it can contain. At about 200 ml of urine, the detrusor muscle begins to contract and … Meer weergeven The bladder is shaped like a pyramid when empty. It becomes more oval as it fills with urine and expands. A smooth muscle called the detrusor surrounds the bladder, and … Meer weergeven Micturition, or urination, is the act of emptying the bladder. When the bladder is full of urine, stretch receptors in the bladder wall trigger the micturition reflex. The detrusor … Meer weergeven Web18 jan. 2024 · Tests. The urethra is a thin tube that connects to the bladder in order to empty urine out of the body. The female urethra is short, about 1.5 inches long, while the male …
Organs in the Excretory System and Their Functions
Web11 jan. 2011 · The urinary bladder serves as the temporary storage of urine. What organ serves as a storage area for reserve supplies of blood? Spleen What are storage spaces in a cell? The vacuole... Web16 jun. 2024 · Which structure serves as a storage site for sperm cells and as the excretory duct of the testes? ... In the female, it is the terminal portion of the urinary system and serves as the passageway for discharging urine from the body. In … tanner clinic urology layton
Cellular organelles and structure (article) Khan Academy
WebUrethra. The urethra transports urine from the bladder to the outside of the body for disposal. The urethra is the only urologic organ that shows any significant anatomic … WebThe urinary bladder provides temporary storage of urine: in fishes, the urinary bladders are of small or moderate size in amphibians, the bladder is a large ventral outpocketing of the cloacal in reptiles and birds, bladders are absent, as the uric acid excreted is semisolid - the urethra empties directly into the cloaca WebWhich organ system provides support, protection of soft tissue, mineral storage, and blood formation? A) integumentary B) muscular C) skeletal D) nervous E) endocrine. Which of … tanner clothing warehouse sale