1. Endocrine System

3. The Endocrine System are the glands that secrete hormones into the bloodstream

5. Hypothalamus
Brain region that controls the pituitary gland (the “master gland” that instructs the rest of the endocrine system) and communicates instructions from the brain

6. Pituitary Gland Controls thirst female contractions
tells the mammary glands to produce milk for newborns
grooming habits, companionship, and sexual behavior
human growth hormones

9. Pineal Gland Responsible for the hormone “Melatonin”
Increased levels of Melatonin cause sleep
Decreased levels of Melatonin cause wakefulness

11. Thyroid Gland Controls body temperature
Controls metabolism – our body’s ability to transform the food we eat into usable energy

13. Parathyroids
The sole purpose of the parathyroid glands are to regulate the calcium level in our bodies

15. Responsible for producing white-blood cells that fight infection
Thymus Gland
Responsible for producing white-blood cells that fight infection

17. Adrenal Glands
Secrete adrenaline which help to arouse the body in times of stress
Increase heart rate, blood pressure, and blood sugar

19. Pancreas Controls the chemical “Insulin”
Insulin is needed in the body to break down sugars in the body

21. Gonads Testicles – release androgens (male hormones)
Ovaries – release estrogens (female hormones)
The presence of these chemicals influence male and female reproductive characteristics.