The body system that is responsible for holding your body up (keeping it from a blob like Jello) is the __.

• nervous
• digestive
• skeletal
• muscular

Which system includes the brain and spinal cord?

• nervous
• respitory
• muscular
• digestive

Which system is shown in this image?

• muscular
• respitory
• nervous
• digestive

The system that includes the heart, veins, and arteries is the ___.

• nervous
• digestive
• circulatory
• muscular

Healthy lungs should be the color ___.

• brown
• white
• orange
• pink

The reason the large intestine is called large is because ...

• it is puffy
• it takes up a larger space
• it is the longest.
• its diameter is larger

The main responsibility of breaking food down into smaller pieces belongs to the ___system.

• nervous
• circulatory
• skeletal
• digestive

Which is missing in the following order ___, tissue, organ, organ system.

• neutron
• liver
• atom
• cell

Bones are living tissue.

• True
• False

White blood cells are important because they __.

• make more blood cells.
• attack germs.
• carry the oxygen to the rest of the body.
• provide vitamin D.