The Respiratory System

The Respiratory System

Assessment

Interactive Video

Other, Biology, Health Sciences

11th Grade - University

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Quizizz Content

Used 2+ times

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Mr. Anderson's podcast explores the respiratory system, focusing on its function of oxygen intake and carbon dioxide expulsion. He discusses the challenges of high altitudes, like Mount Everest, and how animals adapt to different environments. The podcast compares fish gills and human lungs, explaining countercurrent exchange and the structure of human lungs, including alveoli and the role of surfactants. Breathing mechanics are explained through diaphragm function, and the exchange of gases is detailed, highlighting hemoglobin's role in oxygen transport and bicarbonate in carbon dioxide removal.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the respiratory system?

To digest food and absorb nutrients

To take in oxygen and expel carbon dioxide

To protect the body from infections

To circulate blood throughout the body

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do worms primarily exchange gases?

Through gills

Through spiracles

Through their skin

Through their lungs

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of countercurrent gas exchange in fish?

It allows fish to swim faster

It helps fish to breathe underwater without lungs

It increases the efficiency of oxygen extraction from water

It enables fish to survive in polluted waters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of the alveoli in the human respiratory system?

To filter out dust and pollutants

To increase the surface area for gas exchange

To transport oxygen to the bloodstream

To produce surfactants

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of surfactants in the alveoli?

To prevent the alveoli from collapsing

To increase the surface area of the lungs

To transport oxygen to the blood

To filter out harmful particles

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the diaphragm contribute to breathing?

By filtering air before it enters the lungs

By contracting and relaxing to change lung pressure

By producing surfactants

By transporting oxygen to the bloodstream

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to carbon dioxide in the blood before it is exhaled?

It is absorbed by the alveoli

It is stored in the red blood cells

It is converted to bicarbonate

It is directly expelled from the blood