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How can we keep our mitochondria healthy?

From NCERT Asked by Anonymous from Mountain View, United States 1 Oct 2026, 12:44 AM IST Updated

In one line

Keep your mitochondria healthy by eating well, staying active, and avoiding things that harm your body.

Mitochondria — Organelle in eukaryotic cells responsible for respiration
Mitochondria — Organelle in eukaryotic cells responsible for respiration
A real image of mitochondria, the cell's power stations.
Image: Wikipedia

The rule

Mitochondria are tiny parts inside our cells that make energy for the body. To keep them healthy, we must give our body what it needs and protect it from harm.

Let's understand it simply

Imagine your body is like a city, and every cell is a house. Inside each house, there is a power station called the mitochondria (say: my-toe-KON-dree-uh). These power stations make the electricity (energy) that keeps everything running. If the power station is weak or broken, the house can't work well. So, to keep your body strong, you must take care of these tiny power stations.

How it works

  1. Eat a balanced diet: Give your body fruits, vegetables, grains, and proteins. These foods have vitamins and minerals that help mitochondria work well.
  2. Exercise regularly: Activities like running, cycling, or playing cricket help your cells make more and stronger mitochondria.
  3. Get enough sleep: Rest helps your body repair and recharge the mitochondria.
  4. Avoid junk food and too much sugar: These can damage mitochondria over time.
  5. Stay away from smoking and pollution: Harmful chemicals can hurt your cells and their mitochondria.
How to keep mitochondria healthy
  1. Eat a balanced diet
  2. Exercise regularly
  3. Get enough sleep
  4. Avoid junk food and pollution

The story behind it

Scientists first saw mitochondria under a microscope in the late 1800s. They noticed these tiny parts inside cells and later found out they make energy. The name comes from Greek words meaning "thread" and "granule" because of how they look. Today, we know they are very important for every living thing.

Where you see it in real life

  • Playing football: Your muscles need energy from mitochondria to run and kick.
  • Climbing stairs: Mitochondria in your leg muscles give you the power to climb.
  • Recovering from illness: Healthy mitochondria help your body heal faster.
  • Growing taller: As you grow, your cells need energy from mitochondria.
  • Studying for exams: Your brain cells use energy from mitochondria to help you think and remember.

Why it matters

  • Healthy mitochondria mean more energy to play, study, and grow.
  • Weak mitochondria can make you feel tired and sick.
  • Many diseases are linked to mitochondria problems, so keeping them healthy helps prevent illness.
  • Good habits now help your body stay strong as you get older.

Common mistakes

  • Thinking only food matters: Exercise and sleep are also important for mitochondria.
  • Eating only one type of food: Your body needs many nutrients, not just one.
  • Ignoring pollution: Breathing in smoke or chemicals can hurt your cells.

Remember it

Mitochondria are your cell's power stations—feed them well, move your body, and let them rest!

Check yourself

Why should you eat fruits and vegetables for your mitochondria?

They give vitamins and minerals that help mitochondria work well.

What happens if you don't get enough sleep?

Your mitochondria can't repair and recharge, making you feel tired.

How does exercise help your mitochondria?

It helps your body make more and stronger mitochondria for more energy.

Quick recap

  • Mitochondria make energy for your body.
  • Eat a variety of healthy foods for strong mitochondria.
  • Exercise helps your cells build more mitochondria.
  • Rest and avoid harmful substances to protect mitochondria.
Written by the LLOS.ai tutor, checked against NCERT chapters. Asked by Anonymous from Mountain View, United States on 1 Oct 2026, 12:44 AM IST · asked 2 times
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