Animal Form and Function

What function is performed by the integrator of a

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11. What function is performed by the integrator of a homeostatic control system? A. A set point and input from a sensor are compared to each other. B. A variable is established from environmental criteria. C. The final biological response changes the set point of a variable. D. The condition of a variable is monitored. E. A sensor is turned on in a receptive tissue. 12. Who first recognized that the ability of an organism to withstand environmental stresses depends on its ability to maintain a relatively stable internal environment?
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Animal Form and Function 20 13. Why is simple squamous epithelia used as a lining for our lungs? 14. Why are ligaments composed of regular fibrous connective tissue? 15. If you examined muscle that had branched cells what other important characteristics would you expect to observe? A. one nucleus per cell and several dendrites radiating outward from the cells B. multiple nuclei per cell and a striated appearance C. a lack of striations and many nuclei in each cell D. a banded appearance to the cells and one nucleus per cell E. a sparse cell population with cells that are columnar and ciliated ANSWER KEY
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