What is the thyroid?
Your thyroid is an important endocrine gland that makes and releases certain hormones.
What is the trachea?
Your trachea (TRAY-kee-uh) is a long, U-shaped tube that connects your larynx (voice box) to your lungs.
What is the brainsteam?
The brainstem is the structure that connects the cerebrum of the brain to the spinal cord and cerebellum.