Front

What is the main function of the endocrine system?

Back

The main function of the endocrine system is to create chemicals, or hormones, that are sent around the body to maintain homeostasis.

Front

What do endocrine glands secrete?

Back

Endocrine glands secrete hormones.

Front

What is negative feedback in the endocrine system?

Back

Negative feedback prevents small changes from getting larger, helping to maintain homeostasis.

Front

Where is the thyroid gland located?

Back

The thyroid gland is located in the front of the neck, below the Adam's apple.

Front

What hormone is primarily produced by the thyroid gland?

Back

The thyroid gland primarily produces thyroxine (T4) and triiodothyronine (T3).

Front

What is the role of the thymus gland?

Back

The thymus gland secretes thymosin, which helps mature white blood cells (WBCs) during childhood.

Front

What are hormones?

Back

Hormones are chemical messengers produced by glands in the endocrine system that regulate various functions in the body.

Front

What is homeostasis?

Back

Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What is the difference between endocrine and exocrine glands?

Back

Endocrine glands secrete hormones directly into the bloodstream, while exocrine glands secrete substances through ducts to the outside of the body or into the digestive system.

Front

Name a hormone produced by the adrenal glands.

Back

The adrenal glands produce hormones such as cortisol, adrenaline, and aldosterone.