1. Flashcards & Fast Facts
HUMAN BODY SYSTEMS
Flashcards & Fast Facts

2. The basic building blocks of life
Cells

3. This system is responsible for breaking down your food so that the other systems can use its nutrients
digestive
major organs: stomach, small intestines, large intestines

4. Digestive System
* The small intestine is feet long when it is stretched out!!!
* Breaks down the food that we eat and turns it into energy

5. This system gives shape and strength to the rest of the body and helps it move around
muscular
major organs: biceps, triceps, pectorals

6. Muscular System
 Gives shape and strength to the rest of the body and helps it move around
 Works closely with the skeletal system
 We have 650 muscles in our body!!

7. This system sends messages to the rest of the body and controls the body’s activities
nervous
major organs: brain, spinal cord, nerves

8. Nervous System
 Sends messages to the rest of the body and controls the body’s activities
 The spinal cord is protected by the spine.

9. This system transports nutrients, oxygen, and other materials to the entire body
circulatory
major organs: heart, veins, arteries, blood

10. Circulatory System
 Works closely with the respiratory system

11. excretory This system helps the body get rid of waste products
major organs: kidneys, urethra, ureters, bladder

12. * Helps the body get rid of waste * You can live with only 1 kidney!!!
Excretory System
* Helps the body get rid of waste
* You can live with only 1 kidney!!!

13. This system gives shape to the body and protects the inner organs
skeletal
major organs: skull, rib cage, femur (bones)

14. Skeletal System
 Gives shape to the body and protects other major organs
 Works closely with the muscular system
 The femur connects the hip bone to the knee.
 An adult has 206 bones. Babies have over 300!

15. This system supplies oxygen to the cells and removes carbon dioxide from the blood
respiratory
major organs: lungs, trachea, bronchia, alveoli, diaphragm

16. Respiratory System
* Supplies oxygen to the cells and removes carbon dioxide from the blood
* Works closely with the circulatory system

17. Which system works with the muscular system?
skeletal

18. Which system works closely with the circulatory system?
Respiratory