More early signs of pregnancy include an aching head, a result of changes in hormones. Just in case you are indeed pregnant, take pg-safe acetaminophen instead of ibuprofen to deal with the pain.
Organs Without Dual Innervation. Although most organs are innervated by both sympathetic and parasympathetic nerves, some-including the adrenal medulla, arrector pili muscles, sweat glands, and most blood vessels-receive only sympathetic innervation.
Which nervous system division dominated when she was startled awake?: sympathetic nervous system 60. Which branch of the autonomic nervous system (ANS) includes the vagus nerves, which innervate the thoracic and abdominal viscera?: parasympathetic nervous system 61. After eating a large meal, Mr. Davis felt sleepy. Which nervous system dominates?: Parasympathetic nervous system 62. What do the parasympathetic and sympathetic nervous systems share in common?: both systems are divisions of the autonomic nervous system 63. The sympathetic nervous system has short preganglionic axons and long ...