The correct answer among the choices provided is option A. Lung capillaries are responsible for exchanging carbon dioxide for oxygen from the air. Blood that comes from the heart gets oxygen from the alveoli. The carbon dioxide in the blood goes into the alveoli at the same time.
mid-oceanic ranges I believe.
Sexual Reproduction
Zygote
Fertilization
Chromosomes
The cell<span> is the basic unit of organization for most living things. Living things can be classified as multicellular, with many cells, or unicellular, having only one </span>cell<span>. Cells are the basic unit of life in both plant and animal cells.</span>
