Respiration in Organisms
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Questions and Answers

Which of the following is a function performed by cells in an organism?

  • Respiration (correct)
  • Eating
  • Running
  • Sleeping

Why do we breathe?

  • To meet our grandparents
  • To run faster
  • To provide energy to cells (correct)
  • To receive our grandparents

What is the smallest unit of an organism?

  • Grandparents
  • Bus-stop
  • Town
  • Cell (correct)

Why did Boojho breathe rapidly after running?

<p>Running requires more energy (B)</p> Signup and view all the answers

What are the functions performed by cells?

<p>Nutrition, transport, excretion, and reproduction (A)</p> Signup and view all the answers

True or false: Boojho was eagerly waiting to meet his grandparents who were coming to the town after a year.

<p>True (A)</p> Signup and view all the answers

True or false: Boojho reached the bus-stop in a few minutes.

<p>True (A)</p> Signup and view all the answers

True or false: Boojho's grandmother asked him why he was breathing so slow.

<p>False (B)</p> Signup and view all the answers

True or false: Breathing is a part of excretion.

<p>False (B)</p> Signup and view all the answers

True or false: Cells need energy to perform functions such as nutrition and reproduction.

<p>True (A)</p> Signup and view all the answers

Flashcards

Cell function

The activities that cells perform, including nutrition, transport, excretion, and reproduction.

Cell's need for energy

Cells require energy to carry out their functions (like growing or reproducing).

Respiration

The process of cells using oxygen to release energy from food.

Smallest organism unit?

The smallest structural and functional unit of an organism.

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Why breathe faster?

More energy is needed, which means more oxygen is needed.

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Cellular nutrition

The process cells use to take in and use materials.

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Cellular transport

The movement of substances within and between cells.

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Cellular excretion

Removal of waste products from cells.

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Cellular reproduction

The creation of new cells.

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Breathing and energy

The human body takes in oxygen to create energy from food, powering cellular function.

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Study Notes

Cellular Functions

  • Cells are the smallest unit of an organism.
  • Cells perform various functions in an organism, including nutrition and reproduction.
  • Cells need energy to perform their functions.

Respiration

  • Breathing, or respiration, is necessary to provide oxygen to cells.
  • We breathe to obtain oxygen, which is necessary for cellular functions.
  • Boojho breathed rapidly after running because his body needed more oxygen to recover from the physical activity.

Cell Energy

  • Breathing is not a part of excretion, but rather a process that provides energy to cells.
  • Cellular functions, such as nutrition and reproduction, require energy obtained through breathing.

Unrelated Facts

  • Boojho was eagerly waiting to meet his grandparents who were coming to the town after a year.
  • Boojho reached the bus-stop in a few minutes.
  • There is no evidence that Boojho's grandmother asked him why he was breathing so slow.

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Test your knowledge on respiration in organisms with this quiz! Explore the process of respiration and learn about its significance in our daily lives.

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