Answer:
Endocrine system: Hormones are released to increase awareness, The rate of nutrient absorption increases.
Urinary system: Blood needs to be cleaned, Waste needs to leave the body.
Nervous system: An organ detects high levels of insulin in the body, A student reads words on a page.
Explanation:
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.
It could be due to stress. Everyone deals with stress differently. Usually they are mad at themselves, like they have failed at supporting and that can lead to depression also.
I believe the answer is (a) variability