Explanation:
Yes, Nicotine is very addictive, so like, if you take a ciggerate and start to smoke, the smoke enters your lungs, and nicotine is instantly absorbed into the blood and delivered into the brain, it takes effect sometimes as quickly as 10 seconds. Nicotine can change how the brain works or thinks, and can make the brain to crave more of it. Nicotine when it enters your brain realeses a thing called, dopimine which gives the person a good feeling. Dopamine is something in the nervous system to send messages to the brain cells, your body makes it, high levels of dopamine change our daily behaviors. So if nicotine releases or rises the dopamine, it can get you sick and addicted really easily in just 2 or 3 days of smoking, i will not consider smoking any tobaco.
Firstly the wall of the capillery is very thin<span> as it is simiply made up of epithelial cells, reducing ... Secondly the lumen is very </span>narrow<span>, which encourage red blood cells to give up oxygen as ... </span>Capillary structure<span> is uniquely </span>adapted<span> for exchange processes </span>because<span>? ... How is the </span>structure<span> of </span>capillaries<span>related to </span>their function<span>?</span>
<span>Do u need the answer out of these four question?
primary consumers (
secondary
tertiary
,,
producers
decomposers)</span>
