This diagram shows the change that occur when breathing in. a. Use the information in the diagram to explain how movements of the rib cage and the diaphragm move air into the lungs.

b. State the name of the parts of the lungs where gas exchange occurs.

c. Explain how these structures are adapted for gas exchange.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

gag reflex, poor dentition, gum retraction

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ever get the answers? im stuck on this as well