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
A Personal Issue is an issue that is then of an individual or also in a relationship causing then a potential conflict or concern. If this will not be resolve or if nothing will be done then it can lead to a big problem then.
Answer:
C - Mutations are the only source of genetic variation for asexual reproduction
Answer: true
Explanation: in able to do this it has to transport proteins that can span the cell membrane and allowi the permeable membrane to regulate which molecules enter and leave a cell.
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(jacemorris04)
Answer:
The scarab or dung-beetle, and the spider to some ancient symbologists
