Answer: pulmonary artery carries deoxygenated blood away from the heart
When bad bacteria becomes resistant towards anti-biotics. They become stronger which can create a problem.
One organism can start producing more and can create an over-population, would create a domino effect.
<span>Hypothalamus
Pineal Gland
Pituitary Gland
Thyroid
Parathyroid</span>
Answer:
I think its rivers and streams
<span>A phosphorus atom. Bound to four Oxygen atoms.. hope this helps</span>