- Next week, do blood vessels below the heart. - To help with the lab, there are a number of photos and diagrams on the bench. Start your dissection with the heart. Make a medial incision on the ...

Inhalation and exhalation is the same as breathing or ventilation and is a physical process which moves air into and out of your lungs. Respiration is not the same as breathing, and is a chemical ...

The respiratory system has a key role in gaseous exchange but also helps to regulate blood pH, control blood pressure and provide non-specific immune defence mechanisms. Like all organ systems, it ...