The size of the chest cavity increases during inhalation. (T/F)

Explanation

**Step-by-Step Solution:**

1. **Understanding Inhalation**: Inhalation is the process of taking air into the lungs. It is an essential part of respiration.

2. **Role of the Diaphragm**: During inhalation, the diaphragm, a dome-shaped muscle located at the base of the chest cavity, contracts. This contraction pulls the diaphragm downwards.

3. **Effect on Chest Cavity**: When the diaphragm contracts and moves down, it increases the volume of the chest cavity. This increase in volume creates a lower pressure inside the chest compared to the outside atmosphere.

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