Name the organ system that coordinates and integrates the activities of the body. (one word)

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d