Explain the role of the tubules within the nephron. - Answer✔✔-As the filtrate flows through the tubule,
the concentration of water and electrolytes in the filtrate changes due to:
oReabsorption of water and solutes by tubular cells into the peritubular capillary blood
oSecretion from the blood into the tubular lumen
Define micturition reflex - Answer✔✔-a reflex pathway that causes bladder contraction during urination
Function of Body Fluids - Answer✔✔-- Transport gases, nutrients, and wastes
- Help generate the electrical activity needed to power body functions
- Take part in the transforming of food into energy
- Maintain the overall function of the body
What percentage of cardiac output influences the amount of blood flow through the renal system each
day? - Answer✔✔-25%
Which hormones are released by the kidneys? What cellular response does each have? - Answer✔✔-
Antidiuretic hormone (ADH)- Alters collecting tubules permeability to H2O
Aldosterone- Regulates water and Na reabsorption and excretion
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