Body Systems

The digestive system starts with this...

• stomach

• mouth

• intestines

• esophagus

Your heart is approximately the size of...

• your brain

• a watermelon

• your fist

• your foot

This system pumps your blood...

• respiratory

• circulatory

• digestive

• nervous

The (a)   atrium pumps oxygenated blood to the body.

This system protects our organs

• skeletal

• respiratory

• nervous

• digestive

The (a)   carries food to the stomach.

We can control this type of muscle.

• digestive muscle

• cardiac muscle

• smooth muscle

• skeletal muscle

Muscles that we can not control are called (a)   muscles.

When we are born we have about ______________ bones.

• 250

• 300

• 34

• 75

In the respiratory system, we breath in (a)   .