Answer:
What sends oxygenated blood back to the heart from the lungs?
Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.
Explanation:
There was less of it, making it more possible for the species to be extinct.
Chicken nugget utts and gina
Polyploidy is the term that describes the chromosomal abnormality of having extra chromosomes.
Because of the moisture and height difference so some can provide more coldness while the other could be hot
