Its the letter B because its the circulatory system
The human microbiota is the aggregate of microorganisms thatresides on or within any of a number of human tissues and biofluids including the skin mammary glands placenta seminal fluid uterus ovarian follicles lung saliva oral mucosa conjunctiva and gastrointestinal tracts.
The answer is b, globular
Answer:
The main role of the decomposer in any ecosystem is to recycle nutrients once organisms die and recycle nutrients in waste.