Endocrine glands are called ductless glands because they secrete their hormones:

Related MCQs

• ______________ is a communication system composed of glands located throughout the body that secrete hormones into the blood stream.
• The _________________ secretes hormones that affect the functioning of other glands as well as hormones that act directly on physical processes.
• The peanut-sized structure that is involved in diverse functions, including eating, drinking, frequency of sexual activity, fear, aggression, and exerting control over the secretion of endocrine hormones, is called the ________________.
• ________________ are the chemical messengers that are secreted into the bloodstream by endocrine glands.
• The ______________ system is made up of glands located throughout the body and uses chemical messengers called hormones to transmit information from one part of the body to another.
• The hormones released by the anterior pituitary are usually stimulating hormones but one of them acts directly on target cells:
• The endocrine system is the internal communication network in the body, and it uses chemical messengers called-----
• Obesity is most commonly caused by a combination of i. of excessive dietary calories, ii. lack of physical activity, iii. genetic susceptibility iv. endocrine disorders, medications or psychiatric illness
• , the receptors within the endocrine gland register that there is enough hormone circulating and turn off production and/or release of any more hormone at some cut-off point, known as:
• ___________________ structure serves as the main link between the nervous system and the endocrine system.