Regulation of physiological variables occurs primarily through mechanisms. a. negative feedback b. positive feedback c. urine formation d. feedforward e. myogenic
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- The presence of a full bladder triggers the bladder to contract. As a little urine is released, this causes more contractions, which will completely empty the bladder. This is an example of: a. homeostatic regulation b. uroregulation c. negative feedbackd. positive feedback e. reverse feedbackSweating is an example of variable. It is also an example of negative feedback mechanism. a. Both statements are true b. Both statements are false c. First is true, Second is false d. First is false, Second is trueFunction(s) of the excretory system include ... A. removal of wastes and harmful substances. B. maintenance of water balance. C. selective retention of some solutes. D. Both of answerc hoiuces A and B (but not C) correctly complete the sentence. E. All of the answer choices A and B and C correctly complete the sentence.
- The active transport of solutes into the lumen of an excretory organ iscalleda. filtration.b. reabsorption.c. secretion.d. excretion.The composition and volume of body fluids are regulated primarilyby thea. skin. c. kidneys. e. spleen.b. lungs. d. heart.Which of the following can be either an active or passive process?a. Filtrationb. SecretionC. Reabsorption
- Reabsorption of most solute molecules from the proximal convolutedtubule is linked to the active transport of Na+ across thea. apical membrane and out of the cell.b. apical membrane and into the cell.c. basal membrane and out of the cell.d. basal membrane and into the cell.Identify the four components of a negative feedbackloop and explain what would happen if secretion of a bodychemical controlled by a negative feedback system becametoo great.Match the integration of several organ systems to a specific function. Choose the best answer from the choices given. When the respiratory, digestive and urinary systems work together they can:a. excrete wasteb. obtain nutrientsc. maintain calcium levelsd. change facial expressione. keep foreign organisms out of body systems
- A scientist is analyzing a sample of blood that was obtained from a dog. Which of these findings would most strongly indicate that the excretory system of the dog is not functioning properly?If we were performing experiments on campus, how would you test the functions of excretory system? Propose you own experimental procedures involving at least two different body system and two different experimental variables. Predict outcome of this possible experiment.The urinary bladdera. is composed of skeletal muscle.b. is lined by simple columnar epithelium.c. is connected to the outside of the body by the ureter.d. is located in the pelvic cavity.e. has two urethras and one ureter attached to it. Thanks
