Describe in brief the function of kidney ureter urinary bladder and urethra
Answers
Answer:
1) The kidneys are two bean-shaped organs in the renal system. They help the body pass waste as urine. The kidneys perform many crucial functions, including: maintaining overall fluid balance.
2) Each kidney has its own ureter through which urine passes. Urine does not flow in a slow, steady stream along the length of the ureters into the bladder.
3) Urine is made in the kidneys and travels down two tubes called ureters to the bladder. Urine exits the bladder into the urethra, which carries urine out of the body.
4) Flow of urine into the urethra is controlled by the urinary sphincter, which consists of muscles that surround the opening from the bladder into the urethra.
Answer:
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Renal artery: The renal artery carries blood to the kidneys from the abdominal aorta. This blood comes directly from the heart and is sent to the-kidneys to be filtered before it passes through the rest of the body. Up to one-third of the total cardiac output per heartbeat is sent to the renal arteries to be filtered by the kidneys. Each kidney has one renal artery that supplies it with blood. The filtered blood then can exit the renal vein.
Kidney: The kidneys perform the essential function of removing waste products from the blood and regulating the water fluid levels. The kidneys regulate the body’s fluid volume, mineral composition and acidity by excreting and reabsorbing water and inorganic electrolytes.
Ureter: The ureter is a tube that carries urine from the kidney to the urinary bladder.’ There are two ureters, one attached to each kidney.
Urinary bladder: The urinary bladder is an expandable muscular sac that stores urine before it is excreted out of the body through the urethra.
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