Openscied Our Body as a System

When you look at a drop of blood under a microscope what are you most likely going to see?

• atoms
• cells
• dust
• water

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What do both single and multi-celled organisms have in common?

• They need water.
• They need to be complicated.
• They need money.
• They need energy.

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A lot of cells of the same kind join together to form-

• Tissue

• Cells

• Organs

• Organ systems

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Different tissues work together to form

• Tissue

• Cells

• Organs

• Organ systems

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Identify the correct order.

• cells < organs < organs < systems

• tissues < cells < organs < systems

• cells < tissues < organs < systems

• cells < tissues < systems < organs

Cells make up.....

• Tissues
• Organs
• Organ systems
• more cells

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Organs  make up.....

• Tissues
• Organs
• Organ systems
• more cells

Made up of more than one cell

• Multicellular

• Unicellular

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What body system is for support, protection, and creates new blood cells?

• skeletal system
• muscular system
• circulatory system
• integumentary system

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

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