the branch of science concerned with the bodily structure of humans, animals, and other living organisms, especially as revealed by dissection and the separation of parts. hope this helps :)
When you smoke a cigarette, the components; e.g. nicotine and carbon monoxide enter the lungs and are absorbed into the bloodstream. They are carried by the Red Blood Cells to the blood-brain barrier, here, nicotine binds to nicotinic acetylcholine receptors (nAChRs), resulting to a cascade that results to release of dopamine (good-feeling neurotransmitter).
The short plants<span> are </span>not able<span> to </span>compete<span> with </span>tall plants<span> for </span>sunlight<span>. ... The </span>tall plants, however, aremore susceptible<span> to </span>wind damage<span>. Which </span>type<span> of </span>selection<span> are the </span>plants experiencing? directionalselection<span> ... They are believed to have come from </span>one<span> common ancestor and just become </span>more<span> and</span>more<span> different due to .</span>
Answer:
esophagus, pancreas, liver, gallblader, salivary glands
Explanation:
Brain size has increased nearly 3x in 4 million years.
