<span>this occurred because her blood carbon dioxide levels increase while oxygen levels decrease.
The function of the respiratory organ is to dump the carbon dioxide and to pick up the oxygen. The oxygen will be used to make energy, producing carbon dioxide as a side product. When Ashley exercise, the amount of energy needed increases so there is more oxygen used and more carbon dioxide produced.
This will induce the respiratory organ to increase its function by increasing the respiratory rate</span>
Answer:
<h3><u><em>I'm going to say </em></u>
<u><em>pre-existing</em></u> <u><em>if that's wrong I'm sorry!</em></u></h3>
Explanation:
The correct answer is option D
The viruses lack the ability to reproduce without a host cell. This is the reason why the scientist declared that the viruses are considered as non living.
Viruses have genetic material in the form of DNA or RNA that is only used for replication in the host's body.
Viruses cannot survive without the host cell.
I think it is stitches for the first one and the secend is padding I think
