Explain how carbon monoxide from cigarette smoke affects the body's ability to transport oxygen.

Carbon monoxide binds to hemoglobin in red blood cells, displacing oxygen and reducing the amount of oxygen that can be carried throughout the body.

What is the primary way that smoking increases the risk of developing cancer?

Chemicals in cigarettes can cause mutations in DNA and disrupt DNA repair processes, increasing the likelihood of cancerous cells forming.

Weakened bones and damaged eyesight

Nicotine causes blood vessels to constrict and damages their lining, restricting blood flow and increasing the risk of blood clot formation.

Grade 10th Grade · Health · 43 min· Glencoe Health

I can analyze the negative impacts of tobacco use on different body systems.

TED-Ed · 5:21

How do cigarettes affect the body? - Krishna Sudhir

3 key concepts

1
Tar from cigarettes can damage tooth enamel and nerve endings in the nose, leading to tooth decay and loss of smell.
2
Chemicals in cigarettes, such as nicotine, cause blood vessel constriction, increase the likelihood of blood clots, and can lead to heart attacks and strokes.
3
Quitting smoking can lead to almost immediate and long-lasting physical benefits, including normalized heart rate and blood pressure within 20 minutes and improved lung health within a month.

7 questions · Multiple choice & Short answer

Quick comprehension check

“Describe two specific negative effects of tobacco use on the cardiovascular system, as explained in the video.”

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