has experienced shortness of breath during the last 3 months. A magnetic resonance scan found a small endocrine-secreting mass centrally located in her chest. This mass most likely represents a mass of which gland?

Thymus gland

Explanation:

The thymus gland is an endocrine gland that is located in the upper part of the human chest. It is responsible for producing white blood cells. This gland is located near the airway. The enlargement of the thymus gland can suppress the nearby structures. This may result in shortness of breath, and cough along with sputum. The thymus gland produces several endocrine hormones like thymopoietin and thymulin.

The given condition is indicative of the mass of the thymus gland.

chordata is the answer

the sphincter muscles at the end of the digestive tract is the anus.