1. Body Balance Hormones Chemical Controllers

2. Hormones
Hormones are chemical substances that usually act as messengers in the body.
Hormones are made by endocrine glands and released into the bloodstream or the fluid surrounding cells and send signals to target organs.

3. Endocrine system
Glands are located throughout the body and form part of the endocrine system.
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4. Endocrine System

5. (You need to download this sheet)
Endocrine System
On your endocrine system worksheet…
(You need to download this sheet)
Identify the location of the nine main endocrine glands of the body.
Explain the function of each of the nine main endocrine glands.

6. Pituitary Gland
Located at the base of the brain just beneath the hypothalamus, is considered the most important part of the endocrine system.
It's often called the "master gland" because it makes hormones that control several other endocrine glands. (thyroid, ovaries, adrenal, etc.)
The production and secretion of pituitary hormones can be influenced by factors such as emotions and changes in the seasons.
To accomplish this, the hypothalamus provides information sensed by the brain (such as environmental temperature, light exposure patterns, and feelings) to the pituitary.

7. The Adrenal Glands
The body also has two triangular adrenal glands, one on top of each kidney.
It controls the rate at which your heart beats and your breathing due to being frightened or nervous.
It secretes the hormones cortisone and adrenaline which increases your heartbeat and breathing when your frightened or nervous.

8. Pancreas This gland is located near your liver.
The pancreas produces two important hormones, insulin and glucagon.
They work together to maintain a steady level of glucose, or sugar, in the blood and to keep the body supplied with fuel to produce and maintain stores of energy.
It helps control the amount of sugar in your body.

9. Males Gonads Male Gonads
The male gonads, or testes are located in the scrotum.
They secrete hormones called androgens, the most important of which is testosterone.
These hormones tell a guy's body when it's time to make the changes associated with puberty, like height growth, deepening voice, and growth in facial and pubic hair. .

10. Female Gonads The female gonads, or ovaries are located in her pelvis.
They produce eggs and secrete the female hormones estrogen & progesterone.
Estrogen is involved when a females begins to go through puberty.
During puberty, a girl will experience breast growth, will begin to accumulate body fat around the hips and thighs, and will have a growth spurt.
Estrogen and progesterone are also involved in the regulation of a girl's menstrual cycle. These hormones also play a role in pregnancy