Endocrine System Flashcards
What are the functions of the endocrine system?
Controls and coordinates functions of all the body systems via hormones
Which system does the endocrine system work closely with?
Nervous system
From head down, name the selected endocrine glands
Pituitary gland, Thyroid and Parathyroid gland, adrenal glands, pancreas, ovaries and testes
Describe how the Endocrine system differs to the Nervous system in carrying out the functions of control and coordination of body processes
Endocrine system: release of hormones, chemical signals travel via bloodstream. Slower responses but affects last longer and have a broader influence.
Which hormone and gland relate to growth enhancement?
Growth hormone, pituitary gland
What does the parathyroid gland do? and which hormone does it secrete?
Elevates calcium in the blood, parathyroid hormone
The thyroid glands produce two hormones, what are they and what do they do?
Calcitonin - lowers calcium levels in blood
Thyroxine - increases metabolic rate
_______ increases heartrate and _____ helps healing and injury recovery. These hormones are from the ______ glands
Adrenaline, cortisol, adrenal
The pancreas produces _____ to lower levels of glucose in the blood and ______ to increase levels of glucose in the blood?
Insulin, Glucagon
Which gland and hormone is essential for egg maturation?
Ovaries, Oestrogen
Testosterone is produced in the _____ and is essential for ____ ______.
Testes, sperm production.
What is the difference between endocrine and exocrine glands?
Endocrine - secrete hormones into bloodstream
Exocrine - secrete into ducts (sweat, saliva etc)
Hormone secretion is regulated by:
- Signals from nervous system
- Chemical changes in the blood
- Other hormones
List some examples of positive feedback in relation to the endocrine system
Oxytocin released during childbirth. Milk ejection reflex.
