Asthma occurs when the airways to the lungs become too narrow. How would the circulatory and respiratory systems be affected by asthma?

you can't breath

Explanation:

You wouldn't get enough oxegen so you won't be able to function well

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

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.