Multiple choice

Which of the following statements is false?

  1. Lungs throw out oxygen and carbon dioxide.

  2. Sweat is excreted by the skin.

  3. Undigested food is thrown out as feces.

  4. Waste products are harmful to our body.

  5. Digestive juices make easy digestion.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lungs belong to our respiratory system, and are responsible for breathing in and out. We breathe in oxygen, and we breathe out carbon dioxide.

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