Endocrine cells

a. are modified connective-tissue cells.

b. are a type of nerve cell.

c. release their secretions directly into body fluids.

d. contain few vesicles.

e. release their secretions onto an epithelial surface.

b

I am not that sure but I think endocrine cell don't contain blood vessels

Hi! From my observations I believe that the answer to this is c (release their secretions directly into body fluids), they’re hormone-secreting cells that are scattered around various other epithelial cells in the mucosa of the stomach and small intestine. Have a nice day! I hope this helps!

i think the answer would be a. after sentence 14! i hope i at least a little