Human Body Systems Review

We have _____ lungs in our body.

• 1

• 2

The left lung is smaller than the right because it needs to accommodate the ________

• Right Lung

• heart

____________ is breathing out.

• exhale

• inhale

_________ is breathing in.

• exhale

• inhale

The ____ is also known as the windpipe

• Trachea

• Bronchi

The dome shaped muscle that works with your lungs in inhale and exhale is called the _______

• Bronchi

• Diaphragm

• Esophagus

The ______ is at the center of the circulatory system.

• heart

• Liver

• All of the above

______ carry the oxygen rich blood to the rest of the body.

• Veins

• Arteries

______ carry the oxygen poor blood back to the heart

• veins

• arteries

The human heart has ______ chambers

• 3

• 4

• 5