Answer:
B. Jejunum
Explanation:
The segments constituents of the small intestine, in order from stomach to large intestine are: C. Duodenum, B. Jejunum, and E. Ileum.
These abnormalities occur in the serotonin system which reduces and/or inhibits control in their movement. This disruption of the neurotransmitter causes them to act maladaptively. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Parasitism: One organism (the parasite) gains, while the other (the host) suffers. I think.... either that or it's
Commensalism: only one species benefits while the other is neither helped nor harmed. ... Almost positive that its Parasitism tho