Human Systems

What is happening with the molecules in the digestive system as you eat breakfast?

• They are getting bigger

• They are breaking down into smaller molecules

• They are turning into mitochondria

• They are performing cellular respiration

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Where do the digestive system and circulatory system connect?

• In the nucleus

• In the respiratory system

• In the heart

• In the villi

Molecules break down in the

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NGSS.MS-LS1-7

What process in your cells makes energy for your body? What are the inputs and outputs?

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The_____make energy for your body

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What three body systems work together to help you hike to the top of a hill?

• digestive

  respiratory

  circulatory

• musculoskeletal

  nervous

  circulatory

How do tendons, muscles, and bones work together to move your body?

What cells, tissues, and organs are involved in moving your arm?

• Muscle cells form muscle tissues. Muscle tissues form muscles. Muscles pull on tendons to move bones

• Cartilage connects muscles to bones. Muscle tissues make muscle cells

• Muscles form muscle tissues. Muscle tissues make up muscle cells.

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What are three types of tissues that make up bones?

______ controls voluntary movements of the musculoskeletal system.