Vascular tissues.
Vascular is from vessels that literally carry things all over the organism.
Mitochondria: totally real cell organelles that convert sugars, fats and oxygen into usable energy for cells. Midi-chlorians: completely made-up and widely derided microscopic life-forms that give Jedi warriors their ability to use the Force in the "Star Wars" movies.
It takes 9 months for you to be born
The answer is B because viruses don't need to be fed.