Chapter 2.8 The Endocrine system Flashcards
_______ is a chemical regulator of the body that consists of glands that secrete
hormones which influence behavior. These hormones are chemicals that circulate through the blood and regulate the functioning or growth of the body.
Endocrine system
Too much thyroxine may cause people to lose weight and sleep and to be overactive, or called _____
hypothyroidism.
The Adrenal glands become active when a person is angry or frightened. In turn the brain releases ______ and _____ which cause rapid heartbeat and breathing,
heightened emotions, such as fear and anxiety.
epinephrine and norepinephrine
________ and ______ the imbalances of these hormones can cause premenstrual
syndrome (PMS) in some women such as feelings of fatigue, irritability, and depression.
Estrogen and progesterone
are the major glands that composed the endocrine system: ____ , _____ , _____ , _____ , ______
Hypothalamus, Pituitary Gland, Thyroid Glands, Adrenal Glands, Sex Glands
It controls the pituitary gland
Hypothalamus
This gland is called the “master gland” because it influence other
galnds.
Pituitary Glands
It regulates metabolism.
Thyroid Glands
It triggers “fight ot flight response”
Adrenal Glands
It controls sexual behavior and development of sexual characteristics.
Sex Glands