What is it called when an organism signals another that their interaction is not serious or threatening? agonistic interaction courtship metacommunication cooperation

Sammi is studying the interaction of the digestive and circulatory systems in the human body. she has listed various processes that occur in each of the systems. put the processes in order to describe the interaction between these two systems. tiles nutrients diffuse through the villi of the small intestine. digestive processes break nutrients down in the mouth, stomach, and small intestine. blood is pumped through the circulatory system to deliver nutrients to other organs. nutrients are ingested at the mouth. nutrients enter the capillaries of the circulatory system. sequence

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Which organ controls breathing? lungs alveoli heart diaphragm