10. What mechanism is responsible for the obvious signs of an intoxicated person?
A) nerve cells are not functioning at all
B) cells are prevented from releasing hormones and enzymes
C) muscle cells have been blocked by dopamine
D) nerve cells are not effectively communicating with muscle cells

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry