Health Chapter 18 Flashcards
(70 cards)
Hormones
Chemical substances that are produced in glands and help regulate body functions
Endocrine glands
Ductless organs or groups of cells that secrete hormones directly to the bloodstream
Pituitary gland
Regulates and controls activities of all other endocrine glands
Thyroid gland
Produced hormones that regulate metabolism, body heat, and bone growth
Adrenal glands
Glands that help the body recover from stress and respond to emergencies
Gonads
Ovaries and testes
Pancreas
A gland that serves that serves both endocrine and digestive system
Testes
Male reproductive glands
Ovaries
Female reproductive glands
Thymus gland
Regulates development of immune system
Hypothalamus
Links endocrine system with nervous system and stimulates pituitary gland to secrete hormone
Parts of pituitary gland
Anterior lobe (front lobe that produces 6 hormones) intermediate lobe (middle lobe that secretes msh) posterior globe (rear lobe secretes ADH
2 parts of adrenal glands
Adrenal cortex and adrenal medulla
What are some problems of the endocrine system that are more serious?
Diabetes mellitus (pancreas produced too much insulin) grave’s disease (thyroid gland is over active and enlarged and produces too much thyroxine) Cushing’s disease (overproduction of adrenal hormones) goiter (enlargement if thyroid gland) growth disorders
Reproductive system
System if organs involved In producing offspring
Sperm
Male reproductive cells
Semen
Thick fluid containing sperm and other things
Scrotum
External skin sac
Penis
Tube shaped organ that extends from trunk of body just above testes
Sterility
Inability to reproduce
STDs
Chlamydia, gonorrhea, syphilis, genital herpes
Ova
Female reproductive cells
Uterus
A hollow, muscular, pear-shaped organ that protects fertilized ovum
Ovaries
Female sex gland the produce ova produce female sex hormones