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100

This body system moves blood around your body, delivering oxygen and nutrients.

What is the Circulatory System?

100

Solution to this equation 5(2x3)+4

34

100

This muscular tube moves food from the mouth to the stomach

What is the Esophagus?

200

This system defends the body against harmful germs.

What is the Immune System?

200

This system includes bones and muscles and helps the body move.

What is the Musculoskeletal System?

200

How many Bones are in the body?

What is 206

300

This tissue connects muscle to bone to help movement.

What is a Tendon?

300

This tube carries blood throughout the body, including arteries, veins, and capillaries.

What is a Blood Vessel?

300

These proteins help identify and destroy harmful invaders in the body.

What are Antibodies?

400

Also known as the windpipe, this structure carries air to the lungs.

What is the Trachea?

400

This connective tissue connects bone to bone at joints.

What is a Ligament?

400

This tiny infectious agent reproduces only inside living cells.

What is a Virus?

500

This system breaks down food so the body can absorb nutrients.

What is the Digestive System?

500

These single-celled organisms can be helpful or harmful to the body.

What are Bacteria?

500

This system allows you to breathe and exchange oxygen and carbon dioxide.

What is the Respiratory System?

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