Answer: A smoker's neurotransmitters are replaced with new chemicals.
Explanation:
Neurotransmitters are including glycine, glutamate, monoamines, norepinephrine and more.
When a smoker is using nicotine, the nicotine is binding to nicotinic receptors that can be found in the brain and then they can enhance the release of the neurotransmitters such as serotonin or dopamine and that is why it is causing addiction. Nicotine is also able to release neurotransmitters.
Answer:
Help you control your weight. ...
Reduce your risk of heart diseases. ...
Help your body manage blood sugar and insulin levels. ...
Help you quit smoking. ...
Improve your mental health and mood. ...
Help keep your thinking, learning, and judgment skills sharp as you age
Explanation:
Hope it helps
Answer:
Blood flows through your heart and lungs in four steps: The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle through the tricuspid valve. The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
Explanation:
Hope this helps!
Good Luck!