Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

7.12B Body Systems

Identify the main functions of the systems of the human organism.

Circulatory System Distributes blood to carry oxygen and nutrients to cells all over the body and carries away carbon dioxide and waste. Major Organs: Heart, blood vessels, blood
Respiratory System Absorbs oxygen and releases carbon dioxide. Major Organs: Lungs, trachea, bronchioles
Digestive System Breaks down food and absorbs nutrients. Major Organs: Stomach, intestines
Nervous System Controls the body's actions and responds to changes. Also includes the five senses. Major Organs: Brain, spine, nerves
Skeletal System Gives body structure needed for movement and protects internal organs. Produces blood cells in bone marrow. Main Organs: Bones, cartilage
Muscular System Responsible for voluntary and involuntary movement. Main Organs: Muscle tissue
Endocrine System Glands that produce hormones to maintain balance and control development. Main Organs: Thyroid, pituitary, adrenal, reproductive organs
Integumentary System A protective barrier around your body that helps prevent water loss and control body temperature. Major Organs: Skin, hair, nails
Immune System Antibodies and white blood cells that protect your body from infection. Major Organs: Spleen, bone marrow, thymus, lymph nodes
Reproductive System Produces gamete cells (eggs and sperm) needed for sexual reproduction. Major Organs: Vagina, uterus, ovaries, penis, testes
Excretory System Removes waste from the body and helps prevent buildup of excess fluid. Major Organs: Kidneys, ureters, bladder
Created by: khedlund