Cells, the basic unit of life, are derived from spontaneous generation.
It provides the reader with your topic and give them a central idea of your writing.
Answer:
Vertebrae
Explanation:
both birds and reptiles have a backbone or a <em>vertabrae. </em>therefore they are Vertebrates.
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When blood is in the lungs,
where oxygen is plentiful, oxygen easily binds to the first subunit and then quickly fills up the remaining ones. Then, as blood circulates through the body, the oxygen level drops while that of carbon dioxide increases. In this environment, hemoglobin releases its bound oxygen.
The neck is the Cervicis.
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