The diaphragm is curved upward when relaxed

• True

• False

______________________________ changes lead to pressure changes in the lungs

Gas always flows from low pressure to high pressure

• True

• False

As you breathe in, the internal intercostals are at work

• True

• False

Inspiration is the same as inhalation

• True

• False

When the diaphragm contracts, it flattens.

• True

• False

The external intercostals pull the rib cage up during inhalation

• True

• False

When you inhale, you increase the volume of the lungs which decreases the pressure

• True

• False

When you exhale, the volume and pressure decrease

• True

• False

The external intercostals are not needed for exhalation because it is passive

• True

• False