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Why do we need to study the excretory system?

• To know how our body removes waste

• To memorize city names

• To play more games

• To cook better

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Acharya

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Define_excretory_system

What happens if waste is not removed from our body?

• The body becomes sick

• We grow taller

• We become stronger

• Nothing changes

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Vidhyarthi

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Importance_of_waste_removal

What is the excretory system?

• A group of organs that digest food

• A group of organs that remove waste

• A group of organs that control breathing

• A group of organs that help movement

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Definition

What is the main job of the excretory system?

• To make blood

• To remove waste and keep the body healthy

• To digest food

• To control thinking

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Acharya

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Functions

Which organ filters the blood?

• Heart

• Kidneys

• Lungs

• Brain

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Vidhyarthi

Kidneys

What do kidneys produce after filtering blood?

• Oxygen

• Urine

• Sweat

• Tears

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Vidhyarthi

Kidney_function

Which are the four main parts of the excretory system?

• Heart, Lungs, Stomach, Brain

• Kidneys, Ureters, Bladder, Urethra

• Skin, Bones, Muscles, Nerves

• Lungs, Intestine, Nose, Mouth

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Acharya

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Organs_of_system

Which part of the excretory system stores urine until it is released?

• Kidneys

• Bladder

• Ureters

• Urethra

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Vidhyarthi

Storage_organ

What would happen if the kidneys stopped working?

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Apply_importance

Why is the excretory system important for health?

• It removes waste and keeps the body clean

• It makes us taller

• It controls our thinking

• It helps us play games

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Acharya

Functions