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:
Answer:
A
Explanation:
Destruction of habitat is not going to preserve the habitat.
Answer: Because Watson and Crick were stealing the ideas that she made. And because if she did share it everyone would probably only acknowledged the two men and NOT Rosalind Franklin.
Explanation:
