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The main function of kidney is?

The main job of the kidneys is to remove waste from the blood. Kidneys are two bean-shaped organs found in the lower back, one on each side of the spine. They are part of the body’s filtering system.

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1 EVERYDAY SCIENCE MCQS

The main function of kidney is?

  • to help in digestion of body
  • to control blood pressure
  • to remove waste from blood
  • to control body temperature
Correct Answer: C. to remove waste from blood

Detailed Explanation

The main job of the kidneys is to remove waste from the blood. Kidneys are two bean-shaped organs found in the lower back, one on each side of the spine. They are part of the body’s filtering system.

Every day, your body creates waste from the food you eat and from your body’s own processes. This waste is carried in the blood. If it stays in the blood, it can be harmful. That’s where the kidneys come in.

The kidneys filter the blood. They remove:
- **Waste products**
- **Extra water**
- **Salts and minerals your body doesn’t need**

This waste becomes **urine**, which travels from the kidneys to the bladder and leaves the body when you go to the bathroom.

Kidneys also help in other ways, like:
- Balancing water and salt levels
- Controlling blood pressure (but this is not their main job)
- Producing hormones for making red blood cells

However, their **main and most important role** is removing waste. Without kidneys, harmful things would build up in the blood and make a person very sick. That’s why people with kidney failure need dialysis, a machine that does the kidney’s work.

In simple words, kidneys work like a water filter. They clean the blood and keep the body healthy by removing things the body doesn’t need.

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Everyday Science MCQs
Which planet is much brighter in our solar system?
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Everyday Science MCQs
The energy stored in a dam is?
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Everyday Science MCQs
Moon light reaches to earth in __________ seconds?
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Everyday Science MCQs
Who developed the telegraph code?
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Everyday Science MCQs
How many numbers of chromosomes in Pea plant?
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Everyday Science MCQs
Which of these plants opens its mouth when an insect sits on its lid?
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Everyday Science MCQs
Which of the following are positively (+) charged particles?
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Everyday Science MCQs
Which of the following subatomic particles carries a negative electric charge?
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Everyday Science MCQs
Which of the following has no electric charge?
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Everyday Science MCQs
Elements are made of _________?
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Everyday Science MCQs
SI unit of time is_________?
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Everyday Science MCQs
The speed of light is __________?
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Everyday Science MCQs
The soul of chemistry is dealing with __________?
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Everyday Science MCQs
Which one is the most common disease?
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Everyday Science MCQs
Orange belongs to the family
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Everyday Science MCQs
Vertebral Column in human beings consists of how many vertebrae?
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Everyday Science MCQs
What is anything that takes up space and has mass?
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Everyday Science MCQs
All matter is made of ___________?
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Everyday Science MCQs
What are considered the building blocks of matter?
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Everyday Science MCQs
What are the three subatomic particles of an atom?
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Everyday Science MCQs
The protons and neutrons are found in the center of the atom, which is called the _________of the atom?
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