The two differences you see when comparing the four chambers of the heart is that the arteries have a thicker wall and veins have thin walls and that the arteries carry oxygenated blood away from the heart which means they get more pressure than veins.
Answer:
cells
Explanation:
These include structures such as the plasma membrane, cytoplasm, nucleus, mitochondria, and ribosomes
The data has to be verifiable by the scientific community.
I’m pretty sure it’s nanoscopic animal since nanospoic means extremely small and animal is another way of saying livestock so it’s nanoscopic animal or animals :) (I hope this helps you in any way)
<span>D) an increasing number of resources and niches become available for animals.</span>