Answer: When the oxygen-rich blood gets to the cells, the cells receive the oxygen and release the carbon dioxide. The blood with less oxygen and a lot of carbon dioxide returns to the heart. Then the heart returns this blood to the lungs where carbon dioxide is released and oxygen is received.
Explanation:
Answer:
Explanation:
Others thing they share is that, both animals lay reproduce by laying of eggs.
It should be understood that, both reptiles and aves reproduce by laying of eggs, and that's another trait that they have in common.
Another one is that, there are some of the birds that are carnivorous in nature, just like the crocodile.
<span>It can eaither be PP or Pp.</span>
A pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.
that is the definition^
