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Mouth: definition

Body cavity where food is received and digestion is begun by tearing, grinding, and chewing it with the teeth while mixing with saliva to begin the chemical breakdown needed to dissolve, lubricate and dilute food for… 

Larynx: definition

The larynx, also called voice box, is a muscular organ made up of nine cartilages located below the mouth at the upper end of the windpipe in the throat. It functions to produce speech and 

Insulin: definition

Hormone secreted by beta cells located on the surface of the pancreas in response to elevations in blood glucose (sugar) levels, as for example, after eating a meal, for the purpose of bringing the level… 

Thyroid Gland: definition

An endocrine gland located in the neck that makes thyroid hormone and releases it in response to thyroid stimulating hormone (TSH) for the purpose of controlling metabolism.

Pituitary Gland: definition

An exocrine gland located in the brain that regulates the activity of other glands by releasing 10 different stimulating hormones into the bloodstream. The pituitary is controlled by the hypothalamus.

Hypothalamus: definition

The part of the brain that monitors hormone levels of all the exocrine glands and controls their activity through action on the pituitary gland to secrete whatever stimulating hormone is needed. The exocrine glands are: pituitary,… 

Adrenal Gland: definition

One of two glands each located on top of a kidney that makes adrenocortical hormones and releases them as required into the bloodstream.  The three adrenal hormones are glucocorticoids (cortisol) to control the stress response, mineralocorticoids (aldosterone) to…