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Urinary system
Question | Answer |
---|---|
What is excretion? | the removal of nitrogenous waste, certain salt, and excess water from blood. |
What are the functions of the Urinary System? | excretion, maintains acid-base balance, secretes waste products in the form of urine, and eliminates urine from the bladder. |
What shape are the kidneys? | bean-shaped |
Where are the kidneys located? | are located between peritoneum and the back muscles. |
What is the renal pelvis? | funnel shaped structure at the beginning of the ureter |
What is the medulla? | it is the inner striated layer |
The striated cones are also called what? | Renal pyramids |
What is the cortex made of? | made up of millions of microscopic functional untis called nephrons |
What is filtration? | first step in urine formation |
What are the 6 parts of the nephron? | Bowman's capsule, glomerulus, proximal convoluted tubule, loop of henle, distal convoluted tubule, and collecting tubule |
What is reabsorption? | when water and useful substances are reabsorbed |
What do the ureters do? | carry urine from the kidney to the bladder |