_________________ metabolism, or glucose metabolism that occurs without the presence of oxygen is ...

_________________ metabolism, or glucose metabolism that occurs without the presence of oxygen is inefficient and is termed:
 
  a. Aerobic
  b. Anaerobic
  c. Efficient
  d. Lipolysis

Question 2

Parasympathetic innervation of the penile arteries that release ________ at their synaptic knobs causes the smooth muscle in the arterial walls to relax, resulting in erection.
 
  A) proglandastin B) luteinizing hormone
  C) nitric oxide D) gonadatropin-releasing hormone

Question 3

Stimulation of ________________ results in pupillary constriction, digestive gland secretion, bronchoconstriction, and reduction in heart rate and contractile force.
 
  a. Sympathetic ganglia
  b. Adrenal gland
  c. Somatic nervous system
  d. Parasympathetic nervous system