What is the main function of the skin and the digestive system?

• Protecting the body from germs and breaking down food into nutrients

• Helping us feel things and absorbing water

• Regulating body temperature and producing hormones

• Transporting oxygen and removing waste

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Main ideas

What is the main function of the heart in the human body?

• Pumping blood to all parts of the body

• Acting as the control center

• Digesting food

• Regulating body temperature

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Main ideas

What is the main idea of the passage 'Human Body for Grades 1-3'?

• The human body is a simple machine that helps us move, think, and feel.

• The human body is a complex machine that helps us move, think, and feel.

• The human body is a machine that only helps us move.

• The human body is a machine that only helps us think.

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Main ideas

What is the main function of the heart?

• Pumping blood to all other parts

• Digesting food

• Filtering air in the lungs

• Controlling body temperature

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Supporting details

What is the main function of bones in the human body?

• Provide structure and support

• Help us move

• Help us breathe

• Help us see

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Main ideas