What cells are responsible for maintaining the blood-teste barrier? Interstitial cells Daughter cells Spermatagonia Sustenticular cells. Which of the following is true The heart in innervated by the sympathetic nervous system the heart only has intrinsic innervation and no extrinsic innervation The heart is innervated by both the sympathetic and parasypathetic nervous system The heart is innervated by the parasympathetic nervous system
