Answer:
She only looked at the results for lunch and no other meals. She did not define what “healthy” means. She tested a different number of girls and boys and did not factor that into her results. Her study is biased.
Explanation:
pls mark me brailest
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:
The part of the cell would she use as a source of these enzymes is the mitochondrial matrix. It contains <span>he mitochondria's </span>DNA<span>, </span>ribosomes<span>, soluble </span>enzymes<span>, small organic molecules, nucleotide cofactors, and </span>inorganic ions<span>. Thank you for posting your question here. I hope the answer helps. </span>
i would say D. ! :) let me know if this is correct
