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U2L10
AP Biology B
| Question | Answer |
|---|---|
| Regulation of solute concentrations and water balance by a cell or organism. | Osmoregulation |
| A dormant state involving loss of almost all body water. | Anhydrobiosis |
| A small, toxic molecule (NH3) produced by nitrogen fixation or as a metabolic waste product of protein and nucleic acid metabolism. | Ammonia |
| A soluble nitrogenous waste produced in the liver by a metabolic cycle that combines ammonia with carbon dioxide. | Urea |
| In excretory systems, the extraction of water and small solutes, including metabolic wastes, from the body fluid. | Filtration |
| In excretory systems, the recovery of solutes and water from filtrate. | Reabsorption |
| An excretory system, such as the flame bulb system of flatworms, consisting of a network of tubules lacking internal openings. | Protonephridia |
| The pouch where urine is stored prior to elimination. | Urinary bladder |
| The inner portion of the vertebrate kidney, beneath the renal cortex. | Renal medulla |
| A ball of capillaries surrounded by Bowman's capsule in the nephron and serving as the site of filtration in the vertebrate kidney | Glomerulus |
| In the vertebrate kidney, the portion of a nephron immediately downstream from Bowman's capsule that conveys and helps refine filtrate. | Proximal tubule |
| The funnel-shaped chamber that receives processed filtrate from the vertebrate kidney's collecting ducts and is drained by the ureter. | Renal pelvis |
| In mammals and birds, a nephron with a loop of Henle that extends far into the renal medulla. | Juxtamedullary nephrons |
| One of the tiny blood vessels that form a network surrounding the proximal and distal tubules in the kidney. | Peritubular capillaries |
| A countercurrent system in which energy is expended in active transport to facilitate exchange of materials and generate concentration gradients. | Countercurrent multiplier systems |
| A specialized tissue in nephrons that releases the enzyme renin in response to a drop in blood pressure or volume. | Juxtaglomerular apparatus (JGA) |
| A steroid hormone that acts on tubules of the kidney to regulate the transport of sodium ions (Na+) and potassium ions (K+). | Aldosterone |
| The disposal of nitrogen-containing metabolites and other waste products. | Excretion |
Created by:
jtaylor422
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