Irregular hearbeat could be said to be caused by defect in which gland A. pituitary gland

B. thyroid

C. adrenal glands

D. pancreas ​

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit