When you are very nervous, perhaps before you must speak in front of your class, you notice that your mouth is dry and your heart is racing. This is most likely due to stimulation by the
A) enteric division of your autonomic nervous system.
B) sympathetic division of your autonomic nervous system.
C) parasympathetic division of your autonomic nervous system.
Answer: B
You might also like to view...
How many chromosomes does an individual with Turner syndrome have?
A) 2n + 1 B) n + 1 C) 2n ? 1 D) n ? 1
When fermentation occurs in grapes left on the vine, the final product is the ethanol used to make wine. When fermentation occurs in our muscles, the final product is:
a) oxygen. b) 2 lactic acid molecules. c) 2 NADH molecules. d) 2 ATP molecules. e) ethanol as well.
The beaker in the illustration below contains two solutions of salt with different concentrations (measured by molarity, M). The two solutions are separated by a membrane that is permeable to both salt and water. Side A has 0.2 M of Salt and Side B has 0.9 M of salt. Which of the following will you observe after a long time has passed?
a) Net diffusion of water from A to B and of salt from B to A. b) Net diffusion of salt across the membrane, but not of water. c) Net diffusion of salt from B to A, but no net diffusion of water. d) Net diffusion of water across the membrane, but not of salt. e) Net diffusion of water from B to A and of salt from A to B. f) No net diffusion of water or salt across the membrane
Daniel has a very large deltoid tuberosity. This is probably because Daniel
A. plays basketball. B. is a runner. C. is a pianist. D. spends a lot of time playing video games. E. lifts heavy weights with his arms.