Which part of the body is associated with prefix phren?

The prefix "phren" is associated with the diaphragm, the dome-shaped muscle that separates the chest cavity from the abdominal cavity.

Here are some examples:

* Phrenic nerve: This nerve controls the diaphragm, making it essential for breathing.

* Phrenitis: Inflammation of the diaphragm.

* Phrenicotomy: Surgical cutting of the phrenic nerve.

So, whenever you encounter the prefix "phren", think about the diaphragm and its related functions.