Which blood vessel shown in the figure carries oxygenated blood to the lower thoracic cavity and the abdominal cavity of the body?
a) A
b) B
c) E
d) F
e) H
d
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What is housed in the pyramidal tracts of the medulla oblongata?
A) upper sensory neurons of the corticospinal tract B) upper motor neurons of the corticospinal tract C) lower sensory neurons of the corticospinal tract D) lower motor neurons of the corticospinal tract
A cochlear implant may help someone with conduction deafness.
Answer the following statement true (T) or false (F)
Which statement is true?
A) The sympathetic division increases heart contractions but decreases gastrointestinal tract activity. B) The sympathetic division increases heart and gastrointestinal tract muscle contractions. C) The sympathetic division decreases all visceral organ activity. D) The sympathetic division increases all visceral organ activity.
What is the path of blood flow from the heart to the lung tissues and back to the heart?
A. Right ventricle ? pulmonary trunk ? pulmonary arteries ? lung tissues ? pulmonary veins ? left atrium B. Left ventricle ? aorta ? brachiocephalic artery ? lung tissues ? bronchial veins ? brachiocephalic vein ? superior vena cava ? right atrium C. Left ventricle ? aorta ? bronchial arteries ? lung tissues ? bronchial veins ? azygos vein ? superior vena cava ? right atrium D. Right ventricle ? brachiocephalic arteries ? lung tissues ? brachiocephalic veins ? inferior vena cava ? left atrium