This the respiratory system!
The major organ of the respiratory system is the lungs, and in the lungs the air gets divided among smaller and smaller tubes at the end of which the oxygen enters and carbon dioxide leaves the blood!
<span>They have setae covering their bodies.
They have a one-way digestive system.</span>
Answer:
Haploid organisms develop from unfertilized eggs. Diploid cells have 46 chromosomes in humans. Haploid cells have 23 chromosomes in humans. Diploid cells are important for the growth and development of organisms.
Explanation:
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Nitrogen is not a product of photosynthesis
