For a Human to Inhale, the Rib Muscles and the Diaphragm

question 18

Multiple Choice

For a human to inhale, the rib muscles and the diaphragm must

• A)contract, decreasing pressure inside the lungs.
• B)relax, increasing pressure inside the lungs.
• C)contract, increasing pressure inside the lungs.
• D)relax, decreasing pressure inside the lungs.

---

Definitions:

Notes Pages

Pages specifically designed for adding annotations, remarks, or supplementary information to documents or presentations.

Color Palette

A collection of colors that are used to design and create a cohesive visual appearance in digital or printed material.

Theme Colors

A set of colors chosen to give a cohesive look across a digital document, presentation, or interface.

Spelling Pane

A user interface element in word processing software where spelling errors are displayed and corrected.