Which of the following is NOT a function of the urinary system?
introduction of plasma proteins into blood plasma
removal of organic waste products from body fluids
elimination of waste into the environment
homeostatic regulation of the volume and solute concentration of blood plasma
introduction of plasma proteins into blood plasma
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Peritubular capillaries are associated with the convoluted tubules, while vasa recta are associated with the nephron loop
Indicate whether this statement is true or false.
The presence of ____ keeps blood from backflowing in the heart
a. atria b. ventricles c. valves d. septa
Steroid hormones are synthesized in the ________ of the cell.
A) Golgi apparatus B) nucleus C) smooth endoplasmic reticulum D) mitochondria E) rough endoplasmic reticulum
The structural units of mature compact bone are called:
A) osteocytes. B) osteons. C) canaliculi. D) lacunae.