Organ System, Organ coll, tissue
Answer:
C) When common lands are protected, land degradation slowly disappears.
Explanation:
They determine the north and south ends
False. Oxygen is absorbed in the alveoli sacs of the lungs.
Upon inhalation Air must first pass through the larynx and down to the trachea, which then splits off into two separate bronchial tubes, the bronchial tubes divide into smaller air passages known as the bronchi and those into even smaller bronchioles. The bronchioles end in tiny sacs called the alveoli which transfer the oxygen from the inhaled air to the bloodstream.
C. Medusa. Everything else on the list is a part of another creature, medusa is the only cnidarian here!
