El lado oscuro del oxígeno

El lado oscuro del oxígeno

Assessment

Interactive Video

Science, Biology, Chemistry

4th - 9th Grade

Hard

Created by

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The video explains the essential role of oxygen in energy production within cells, specifically in mitochondria. However, it also highlights the dual nature of oxygen, which is both necessary for life and a contributor to aging and cellular damage through oxidation and the formation of free radicals. These free radicals can damage DNA and potentially lead to cancer. The video concludes by discussing methods to mitigate these harmful effects, such as absorbing free radicals to maintain health.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of mitochondria in relation to oxygen?

To release oxygen into the bloodstream

To convert oxygen into water

To store oxygen for later use

To use oxygen to generate energy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does oxygen contribute to the aging process?

By decreasing metabolism

By increasing blood pressure

By reducing the number of cells

By causing oxidative stress

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a visible effect of oxygen's corrosive nature?

Formation of rust on iron

Increase in body temperature

Decrease in oxygen levels

Improvement in skin elasticity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are free radicals?

Stable molecules that support cell growth

Highly reactive particles that can cause damage

Particles that enhance DNA repair

Molecules that prevent oxidation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one way to mitigate the harmful effects of free radicals?

Avoiding all forms of oxygen

Absorbing free radicals

Reducing physical activity

Increasing oxygen intake