Exercise and emergency reactions include _____
A) increased activity in all parts of the peripheral nervous system
B) increased activity in the sympathetic, and decreased activity in the parasympathetic divisions
C) decreased activity in the sympathetic, and increased activity in the parasympathetic divisions
D) increased activity in the enteric nervous system
E) reduced heart rate and blood pressure
Answer: B
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Which of the following is properly paired for the anammox reaction?
A. Sulfate (SO4-2) as the electron donor; Sulfite (SO3-2) as the electron acceptor B. Nitrate (NO3-) as the electron donor; Nitrite (NO2-) as the electron acceptor C. Phosphate (PO4-3) as the electron donor; Carbonate (CO3-2) as the electron acceptor D. Ammonium (NH4+) as the electron donor; Nitrite (NO2-) as the electron acceptor
The structure that is covered with cilia is labeled
a. 1. b. 2. c. 3. d. 4. e. 5.
When trying to stimulate breathing, it is better to give a mixture of carbon dioxide and oxygen than only oxygen because
A. carbon dioxide and oxygen together exert a greater pressure than an equal amount of oxygen. B. oxygen causes lactic acid buildup, and the change in pH prevents breathing. C. pure oxygen causes you to breathe too rapidly. D. oxygen alone could lead to spontaneous human combustion. E. carbon dioxide buildup in the blood stimulates the respiratory center in the brain.
A ________ is a form of consumer that actively seeks out and ingests live prey.
Fill in the blank(s) with the appropriate word(s).