The smallest unit of life. Every part of our body is made up of these.

• Cells

• Tissues

• Organs

• Organ Systems

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A group of tissues working together for a specific function. These are self-contained such as the heart or the brain.

• Cells

• Tissues

• Organs

• Organ Systems

Multiple kinds of cells working together in the body for a specific purpose. Ex - part of a muscle or bone.

• Cells

• Tissues

• Organs

• Organ Systems

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Multiple organs working together across the body for some essential purpose. Ex. digestive, circulatory.

• Cells

• Tissues

• Organs

• Organ Systems

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These are part of the blood and help carry oxygen. These are an example of:

• Cells

• Tissues

• Organs

• Organ Systems

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This part of the body controls our movement, processing, and memory. This is an example of:

• A cell

• A Tissue

• An Organ

• An Organ System

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This piece of a bone contains osteons and osteocytes. This picture is an example of:

• A cell

• A Tissue

• An Organ

• An Organ System

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NGSS.MS-LS1-1

These parts of the body work together to help us breathe. They need to work together to make that happen. This image shows an example of:

• A cell

• A Tissue

• An Organ

• An Organ System

Which body system is responsible for breathing?

• Circulatory System

• Respiratory System

• Nervous System

• Muscular System

Which body system is responsible for blood circulation?

• Circulatory System

• Respiratory System

• Nervous System

• Muscular System