The total volume of the gas-exchanging region in the lung is called alveolar volume.
The alveolus is an air sack-like organ in the end of the respiratory airway. The alveolus is the site where gas-exchanging happens, so only air inside alveolus that will undergo actual exchange. Air in bronchus or trachea wouldn't do exchange
The cardiovascular system includes the heart. the respiratory system (lungs) supply's oxygen to the heart which, in turn, keeps it beating. the blood carry's the oxygen to all the parts of the body.
hope this helps.<span />
Does feeding peanuts to chickens make their eggs larger and do the chirps of a cricket indicate air temperature
The correct answer for this question is this one: "d. Anemia reduces the amount of protein reaching body cells and is passed on by airborne viruses." The basis for Mr. Stamos's response is that <em>Anemia reduces the amount of protein reaching body cells and is passed on by airborne viruses. </em>Hope this helps answer your question and have a nice day ahead.
An advantage to sexual reproduction is that it increases the genetic variation, as you combine two separate sets of genetics to make a new one.