20 Questions
Which system functions to keep all parts of the body running smoothly along with the endocrine system?
Nervous system
What is a unique characteristic of hormone messengers compared to nerve impulses?
Slow-acting and long-lasting
Which statement accurately describes endocrine glands?
They secrete hormones directly into the bloodstream or fluid around cells
What do exocrine glands, like sweat glands, mucus glands, and salivary glands, use to transport their secretions?
Ducts
In addition to endocrine glands, which other organs or tissues have cells that can secrete hormones?
Brain, stomach, small intestine
What is the role of the endocrine system's exocrine function?
To produce digestive enzymes and deliver them to the small intestine
How are hormones destroyed after they have performed their function?
In the liver
What is the relationship between a hormone and a receptor of a target cell described as?
Lock and key
Which mechanism increases the deviation of the hormone level from normal as needed by the body in a certain situation?
Positive feedback
What role does the liver play in regulating hormone levels?
Breaking down hormones after they fulfill their purpose
What is the primary function of the hypothalamus in the endocrine system?
Controlling the pituitary gland to release hormones
Which hormone released by the pituitary gland is responsible for reducing feelings of pain?
Endorphins
Where is the thyroid gland located in the human body?
Under the larynx
Which of the following hormones secreted by the thyroid gland contains iodine and plays a crucial role in metabolism regulation?
Triiodothyronine
What is the main function of calcitonin, a hormone secreted by the thyroid gland?
Lower blood calcium levels
Which gland produces a hormone that has opposite effects to calcitonin in regulating blood calcium levels?
Parathyroid gland
Where is the thymus located in the body?
Just behind the breastbone
Which part of the adrenal gland secretes adrenaline responsible for coping with short-term physical and emotional stress?
Adrenal medulla
What is the primary function of the outer adrenal cortex in the adrenal glands?
Regulate body's metabolism
Apart from its digestive role, what function does the pancreas serve as an endocrine organ?
Produces insulin and glucagon
Test your knowledge about hormones and the endocrine system. Learn about the functions and effects of hormones, as well as the glands that produce them. Explore how hormones work together with the nervous system in regulating the body's processes.
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