Endocrine System

A control system for your body

Functions

• Uses chemicals (hormones) to:a. Regulate internal environment

Functions

b. Adapt to stressful situations

Functions

c. Promote growth and development

Functions

d. Coordinate circulation, digestion, and absorption of food.

9 Glands of the Endocrine System

They make the hormones and release them into the blood.

1. Pineal Gland

• Produces melatonin

• Regulates our sleep/wake cycle

Try using your science knowledge to get a later bedtime!

2. Pituitary Gland

• The master gland, it controls other glands and makes many hormones.

• Regulates growth and pain response.

3. Thymus

• Helps form t-cells which fight infection and disease

T-cell

4. Thyroid

• Produces hormones that control metabolism (how quickly you burn food calories)

5. Parathyroid

• Produces hormones that regulate calcium levels in your blood.

• Ca is important for bone strength, and muscle and nerve functions.

6. Adrenal Glands

• Produces adrenaline to help you respond to stress.

7. Pancreas

• Produces insulin to help control sugar levels in the blood stream.

http://www.youtube.com/watch?v=qzjjW--I-2Q

8. Ovaries

• Produces estrogen to help regulate the female reproductive cycle and puberty.

9. Testes

• Produces testosterone which regulate puberty in males.

Review

http://www.youtube.com/watch?v=f_Z1zsR9lFM

Quiz #1

• Which gland helps you adapt to stressful situations?

• Adrenal

Quiz #2

• Which gland controls puberty in females?

• ovaries

Quiz #3

• Which gland regulates the sugar levels in our blood stream?

• pancreas

Quiz #4

• What hormone does the pancreas make?

• insulin

Quiz #5

• Which gland is also known as the “master gland”?

• Pituitary

Quiz #6

• Which gland controls our sleep/wake cycles?

• Pineal

Quiz #7

• What hormone does the pineal gland make?

• melatonin

Quiz #8

• Which gland controls the levels of calcium in our body?

• Parathyroid

Quiz #9

• Which gland controls our metabolism?

• Thyroid

Quiz #10

• Which gland controls puberty in males?

• Testes

Quiz #11

• What hormone do ovaries make?

• estrogen

Quiz #12

• Which hormone do testes make?

• Testosterone

Quiz # 13

• Which gland helps us fight infections?

• Thymus

Quiz #14

• What hormone helps our body respond to stressful situations?

• Adrenaline