Saved Bookmarks
| 1. |
Respiratory cycle is controlled but exchange of continuous |
|
Answer» Answer: The breathing cycle involves inhalation and exhalation of air due to alternate expansion and contraction of the thorasic cavity, thus it is a rythemic ACTIVITY. But the EXCHANGE of gas is a CONTINUOUS PROCESS as it takes place in between the blood and each and EVERY cell, by diffusion. |
|