<span>a. chromosomes hope that helped I'm doing the same quiz.</span>
It is muscle and nerve tissue
<span>Humans C</span>an't Re-Grow<span> Lost Limbs or O</span>rgans<span>, but Scientists are Successfully Cultivating Miniature O</span>rgans<span>, Specialized O</span>rgan<span> Cells and Replacement Body Parts.
Ex. So Basically People Can Grow ARTIFICIALLY Grow Organs, But Only When Your Still an INFANT Because Your Organs are Still Miniature and Still in The Human Body.
Hoped That Helped </span>
Animals use the respiratory system to breathe in oxygen and other gases and expel gases like CO2, right? O2 in, CO2 out.
