Pad 11:24 PM Page 7 of 12 36. The barrier between a cell and its environment is
ID: 3507005 • Letter: P
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Pad 11:24 PM Page 7 of 12 36. The barrier between a cell and its environment is the A] nucleus B) nuclear envelope C) cytoplasm D) plasma membrane E) cytosol 37. the spleen and liver are located in the A. pelvic cavity B. cranial cavity C. Abdominal cavity D. thoracic cavity E. vertebral cavity 38. Baroreceptors in the feedback system that control blood pressure sense changes in A. the rate of blood flow through the aorta B. the force of the blood against the walls of the blood vessels C. the temperature of the blood D. the amount of stretch on the heart as it fills with blood E. the amount of fissue damage inficted by the high blood pressure 39. Failure of the body to maintain homeostasis will A. have no effect on healtih B. cause illness and possibly death C. always cause death D. initiate positive feedback E. enhance the immune response to pathogens 40. In the negative feedback system that controls the body's response to decreased body temperature, the skeletal muscles play the role of A. receptors B. input signals C. control centers D. output signals E. effectons 41 The purpose of negative feedback b: A) to prevent sudden and severe changes within the body B) to keep the body's sugar "normal" C) to control all levels of the body's systems. D) to regulate.Explanation / Answer
36.C .plasma membrane.
37.C.abdominal cavity .
38.b.
39.b
40.E.effectors.
41.A.
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