Answer:
Veins
1l carry blood from tissue of the body to the heart
2) are usually found closer beneath the skin
3) are less muscular then arteries
4) collapse if blood flow stops
arteries
1) carry blood back away from the heart to the tissue of the body.
2) found deeper within the body
3) are more muscular then veins
4) would generally remain open even if blood stops because of it's muscular structure.
1.atom 2.energy level 3.atomic number 4.compound 5.shell 6.electrons 7.molecule 8.atomic mass 9.neutrons 10.diatonic 11.proton
I Believe the answer is <span>slime mold
</span>slime mold has the capability to live and move freely as a singular cell. Despites that, several of them could gather up and combined into one multicellular<span> reproductive structures (with more complicated functions) which pretty much demonstrates that exact cell theories.</span>