The physical interaction between the respiratory and the cardiovascular system takes place at which respiratory structure in an insect?

Question

Quizplus · Accepted Answer

Insects have a respiratory system consisting of tracheae, which are air-filled tubes that branch throughout the body, and smaller tracheoles that surround the cells. Oxygen diffuses from the tracheoles into the cells, and carbon dioxide diffuses out. The cardiovascular system of insects consists of a tubular dorsal vessel that runs along the length of the body and pumps hemolymph (insect "blood") through the body. The physical interaction between the respiratory and cardiovascular systems in insects occurs at the tracheoles, where oxygen is exchanged with the hemolymph.

The Physical Interaction Between the Respiratory and the Cardiovascular System