DH+definitions

Pharynx: The pharynx (also known as the throat) is a tube that connects the mouth (and nose) to the esophagus. Larynx: The larynx is the voice box, a hollow tube where the vocal cords are located. Trachea: The trachea (or the windpipe) connects the larynx to the lungs. Bronchus: The bronchus are located at the end of the trachea. They connect the trachea to the lungs. Bronchiole: A boronchiole is a smaller tube inside of the bronchus that leads to areas of the lungs and absorbs oxygen. Alveolar Sac:
 * RESPIRATORY SYSTEM**

Pituitary Gland: The pituitary gland is a small gland that's attached to the base of the brain. The pituitary gland is the dependent gland for all other endocrine glands Thyroid Gland: The thyroid gland is located below the voice box (larynx) and it releases the thyroid hormone which helps regulate growth and metabolism Adrenal Gland: The adrenal gland is a small gland located on the kidney which produces hormones that help regulate heart rate, blood pressure, and other important things.
 * ENDOCRINE SYSTEM**

Pharynx: The pharynx (also known as the throat) is a tube that connects the mouth (and nose) to the esophagus. Esophagus: The esophagus is a tube that leads from the pharynx to the stomach. Stomach: The stomach is a muscle between the esophagus and the small intestine. Food is stored here while the first stages of the digestive process begin. Small Intestine: The small intestine connects the stomach to the large intestine. The main part of digestion occurs here, and this is where nutrients are absorbed. Large Intestine: The large intestine connects the small intestine to the rectum. Water is absorbed in the large intestine. Rectum: The rectum is the last part of the large intestine, leading outside of the body. The digestive track ends at the rectum. Liver: The liver is an organ that cleanses the blood and aids in digestion by producing bile. Pancreas: The pancreas releases enzymes which help to break down food.
 * DIGESTIVE SYSTEM**

Kidney: Kidneys remove waste from the blood and produce extra water. Ureter: The ureter is a tube that carries urine from the kidney to the bladder. Urinary Bladder: The urinary bladder is a sac that holds urine before it is secreted. Urethra: The urethra is a tube that drains the urine from the bladder and out of the body.
 * URINARY SYSTEM**