"an advantage of gas exchange in fresh water, compared with gas exchange in air, is that water loss through evaporation across the respiratory surface can be minimized." The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
Answer:
The answer is B. Mergus serrator and Mergus merganser
Explanation:
- <u><em>They are ducks and they are closley related.</em></u>
hormons. hormones are released from glands and they all belong to the endocrine system.