What is tar, and how does it affect the body according to the video?

Tar is a black, resinous material that coats the teeth and gums, damaging tooth enamel and potentially causing decay. It can also damage nerve endings in the nose, leading to a loss of smell.

How does smoking affect the cilia in the airways and lungs?

Smoking damages the cilia, which are tiny hair-like structures responsible for keeping the airways clean. This damage increases the likelihood of infections and chronic diseases like bronchitis and emphysema.

Explain how carbon monoxide from cigarette smoke affects the body's oxygen supply.

Carbon monoxide binds to hemoglobin in the blood, displacing the oxygen it would normally carry. This leads to oxygen deprivation and shortness of breath.

How quickly does nicotine reach the brain after inhaling cigarette smoke, and what effect does it have?

Nicotine reaches the brain within about 10 seconds, triggering the release of dopamine and other neurotransmitters, creating pleasurable sensations that contribute to addiction.

Describe the effects of smoking on blood vessels, as explained in the video.

Smoking causes constriction of blood vessels and damages their endothelial lining, restricting blood flow. This leads to thickening of blood vessel walls and increases the likelihood of clot formation, raising the risk of heart attacks and strokes.

Alcohol, Tobacco, And Other Drugs Effects Lesson Plan for Grade 10th Grade

Lesson Preview

Learning Objective

I can analyze the short-term and long-term effects of alcohol, tobacco, and other drugs on the body and mind.

1
When smoking cigarettes, tar damages tooth enamel and causes decay, while smoke damages nerve-endings in the nose, causing loss of smell.
2
Nicotine in cigarettes causes the release of dopamine and other neurotransmitters, which creates pleasurable sensations and makes smoking highly addictive.
3
Quitting smoking can lead to anxiety and depression due to nicotine withdrawal, but nicotine replacement therapy, counseling, and exercise can help smokers stay cigarette-free.

Alcohol, Tobacco, and Other Drugs Effects

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Learning Objective

Warm-Up Video

Key Concepts

Practice Questions

Exit Ticket

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