Body Systems and Bioengineering Solutions

The main purpose of the ____________ system is to break food particles into pieces that can be used.

• circulatory
• respiratory
• digestive
• skeletal

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NGSS.MS-LS1-7

What is responsible for delivering oxygen and removing carbon dioxide from the body?

• cell nucleus
• excretory system
• nervous tissue
• respiratory system

The __________ system directs the body to inner and outer changes.

• digestive
• circulatory
• nervous
• skeletal

Tags

NGSS.MS-LS1-8

The __________ is the main organ of the nervous system.

• heart
• lungs
• brain
• skin

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The circulatory system uses _________ to deliver oxygen to the rest of the body.

• blood cells
• lungs and nose
• blood vessels
• brain and spinal cord

Which of the following body systems work together for support, protection, and movement?

• respiratory and cardiovascular
• skeletal and muscular
• skeletal and integumentary
• digestive and respiratory

This system carries food, gases and wastes throughout the body

• circulatory system

• respiratory system

• nervous system

This system includes the heart, blood vessels, veins, arteries

• respiratory system
• circulatory system
• nervous system

The process by which an organism’s internal environment is kept stable in spite of changes in the external environment. 

• Positive Feedback
• Negative Feedback
• Homeostasis 
• Targeted Cells 

Tags

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Contact lenses are biomedical products designed to help improve vision by being placed directly on the eyeball. Which statement below best explains why a polymer (plastic) should be used over textiles for contact lenses?

• Polymers (plastics) are flexible, do not absorb water and can be clear while textiles are flexible but they absorb water effecting their functionality.

• Textiles are flexible, do not absorb water and will not rust while polymers (plastics) can have a low melting point and tear very easily.

• Polymers (plastics) are not rust resistant and are toxic to the human body while textiles are rust resistant and not very flexible.

• Textiles are flexible and absorb water well while polymers (plastics) will never change shape and can be clear.

Tags

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