The person who is unable to sleep is:

As air enters the body and moves toward the lungs, it is moistened, warmed, and filtered by the bronchioles.

A person who has a malignant melanoma on the lung is said to have pneumonomelanosis.

As a medical term, infestation means:

Ultraviolet light is light beyond the violet light frequency.

A thrombus or clot that moves to the lungs is called a cerebral embolus.

The plural of fungus is fungi.

A cervical collar immobilizes the opening of the uterus during pregnancy.

Decreased flow of blood in the veins that may cause the veins to be visibly distended is called:

Corne and kerat are both word roots that mean “cornea.”