State the name of the structure where the actual exchange of oxygen and carbon dioxide takes place? Explain how oxygen and carbon dioxide are exchanged in the respiratory system of humans.

Some Events Related to Breathing 1 increased rate of breathing 2 Nervous stimulation of the diaphragm 3 Increased concentration of CO 2 in the blood 4 Decreased concentration of CO 2 in the blood 5 Chemical stimulation of the respiratory centre   The sequence of events that occurs as the breathing rate is increased Is   a) 3,5,2,1 and 4 b) 5,3,1,2 and 4 c) 3,2,4,1 abd 5 d) 4,3,5,2 and 1

Give any three differences between External respiration and Internal respiration?

Explain how the functions of the organs in the respiratory system maintain homeostasis in the human body.

Choose one organ or structure of the Respiratory System and describe how the structure serves the function.

describe how air differs in composition in the atmosphere, alveoli, oxygenated blood, tissues, and deoxygenated blood. Explain these differences.

Discuss the physiology of the respiratory system.

Describe the structure of the respiratory membrane and how this structure pertains to its function. In your answer, include detail on gas exchange and the type of movement of gases across the membrane.

describe the relationship between oxygen consumption & oxygen uptake, and between carbon dioxide production & carbon dioxide unloading? please describe in detail.

Explain the flow of ions during the processes of internal and external respiration