Hold on let me go do my research I’ll brb .
<span>main function of the circulatory system in multicellular organisms is to circulate blood and oxygen in our body .so the right option is
</span><span>A) to bring oxygen into the lung
</span>hope this helps
They have two pairs of main nerve cords organized around a number of paired ganglia. while they don't have a "true brain"-- they have somewhat of a nervous system, composed of the two, or three pairs of nerve cords contained in the visceral mass.
Answer:
True
Explanation:
The mesentery fans throughout the abdomen. It is attached to the abdominal wall and the intestines, to keep them in place. It also prevents the intestines from falling down or twisting inside the abdomen. They also help with fighting infection as they have lymph nodes as well.
Answer:
A. Division of labor.
Add-on:
i hope this helped at all.
