There are different kinds of muscles in the human body. Each muscle is formed from a group of cells that works together. The main function of a group of muscle cells is to...

• make oxygen.

• release energy.

• digest nutrients.

• cause movement.

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NGSS.MS-LS1-3

The table below describes some human body systems.

• 1

• 2

• 3

• 4

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NGSS.MS-LS1-3

Which two human body systems are MOST responsible for getting oxygen to cells?

• digestive and skeletal

• skeletal and circulatory

• circulatory and respiratory

• respiratory and digestive

Bone cells need nutrients. Which two systems get nutrients to bone cells?

• the digestive system and the circulatory system

• the circulatory system and the respiratory system

• the respiratory system and the skeletal system

• the skeletal system and the digestive system

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NGSS.MS-LS2-3

Which device works similar to the way kidneys work in the human body?

• A refrigerator stores food similar to the way kidneys store nutrients the body needs.

• A thermostat controls temperature similar to the way kidneys control body conditions.

• A wire transports electrical energy similar to the way kidneys transport energy to cells.

• A strainer separates water from noodles similar to the way kidneys remove waste from cells.

Which example best shows structures that make up the digestive system

in the human body?

• heart, blood, vessels

• nose, trachea, lungs

• brain, spinal cord, nerves

• esophagus, stomach, intestines

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NGSS.MS-LS1-7

Which system of the human body provides protection to most of the

major organs?

• skeletal system

• nervous system

• respiratory system

• digestive system

Which is a function of the cardiovascular system?

• to move water throughout the body

• to provide structural support for the body

• to eliminate waste from the body

• to transport gases throughout the body

Which body system processes foods into a useable source of energy?

• circulatory

• digestive

• nervous

• skeletal

Which system produces red blood cells?

• skeletal

• nervous

• digestive

• circulatory

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NGSS.MS-LS1-3