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- 1. Multiple ChoiceWhich characteristic do single-celled organisms and multicellular organisms have in common?Both have cells with specialized functions for each life process.Both perform all life processes within one cell.Both have a way to get rid of waste materials.Both are able to make food from sunlight.
- 2. Multiple ChoiceWhich body system sends electrical signals to all other body systems?circulatory systemnervous systemdigestive systemskeletal system
- 3. Multiple ChoiceWhich statement best describes a bacterial cell?It contains more than one cell.It is a complete organism.It is part of a larger organism.It contains different kinds of cells.
- 4. Multiple ChoiceWhich system of the human body provides protection to most of the major organs?Nervous SystemMuscular SystemSkeletal SystemCirculatory System
- 5. Multiple ChoiceA scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?size of the cells of the organismwhat the organism eatshow many types of cells are in the organismhow fast the organism grows
- 6. Multiple ChoiceBone cells need nutrients. Which two systems get nutrients to bone cells?the digestive system and the circulatory systemthe circulatory system and the respiratory systemthe respiratory system and the skeletal systemthe skeletal system and the digestive system
- 7. Multiple ChoiceWhich two human body systems are most responsible for getting oxygen to cells?digestive and skeletalskeletal and circulatorycirculatory and respiratoryrespiratory and digestive
- 8. Multiple ChoiceWhich best explains how the muscular system relies on the respiratory system?The respiratory system cools the muscular system.The respiratory system acts as the support system for the muscular system.The respiratory system brings oxygen into the body for the muscular system to use.The respiratory system provides nutrients for the body to use as fuel.
- 9. Multiple ChoiceWhich best describes the relationship between the cardiovascular system and the muscular system?The cardiovascular system captures carbon dioxide from the air for muscle energy.The cardiovascular system produces red blood cells to bring oxygen to muscles.The cardiovascular system provides a framework for muscle movement.The cardiovascular system delivers oxygen for muscle energy.
- 10. Multiple ChoiceWhich is responsible for providing oxygen to cells?skeletalnervousdigestivecardiovascular
- 11. Multiple ChoiceWhich best compares the respiratory system to the circulatory system?The respiratory system transports oxygen to cells, while the circulatory system provides oxygen for cells.The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells.The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.The respiratory system rids the body of waste, while the circulatory system breaks down food for cell energy.
- 12. Multiple Choice
Which is an example of a function the muscular system performs?
Voluntary muscles pump blood through the body.
Skeletal muscles keep a body’s joints working properly.
Cardiac muscles move bones and hold a body’s skeleton in place.
Smooth muscles help move food through the organs they surround.
- 13. Multiple ChoiceHow do the muscular and skeletal systems work together to help the body?they provide blood to the bodyThey provide nutrients to the body.They provide structure and movement for the body.They provide oxygen and carbon dioxide to the body.
- 14. Multiple ChoiceHow does the circulatory system work with the digestive system?Blood is used to build muscle strength.Food is broken down in the bloodstreamBlood carries nutrients throughout the body.Food waste is filtered by the heart and blood vessels.
- 15. Multiple ChoiceWhich best explains why both cats and humans are multicellular organisms?They get energy from many food sources.They get energy from a single food sourceThey need only one cell to meet their basic needs.They need many cells working together to meet their basic needs.
- 16. Multiple ChoiceWhich best describes a difference between single-celled organisms and multicellular organisms?Single-celled organisms are simple, while multicellular organisms are complex.Single-celled organisms have many functions, while multicellular organisms have one function.Single-celled organisms can live without water, while multicellular organisms cannot live without water.Single-celled organisms can only be found in one specific environment, while multicellular organisms can be found anywhere on Earth.
- 17. Multiple ChoiceWhich body systems work together to allow the body to move?nervous and skeletalmuscular and skeletalnervous and circulatorymuscular and circulatory
- 18. Multiple ChoiceHow does the muscular system depend on the nervous system?The nervous system transports blood to the muscles.The nervous system provides support for the muscles.The nervous system supplies food and oxygen to the muscles.The nervous system sends signals to the muscles to cause movement.
- 19. Multiple ChoiceWhich system is responsible for creating red blood cells?Skeletalnervousdigestivecirculatory
- 20. Multiple ChoiceWhich example best shows structures that make up the digestive system in the human body?heart, blood, vesselsnose, trachea, lungsbrain, spinal cord, nervesesophagus, stomach, intestines
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