1. Organ Systems of the Human Body
Ms Clark
PVMHS

2. Integumentary System Components: Functions:
Skin and structures derived from it (hair, nails, sweat and oil glands)
Functions:
Forms the external body covering
Protects the body
Eliminates some wastes
Helps make vitamin D
Detects sensations such as pressure, pain, heat, and cold.

3. Integumentary System

4. Skeletal System Components: Functions: Bones, joints, cartilages
Protects and supports body organs
Provides framework that muscles use to cause movement
Blood cells are formed within bones
Stores minerals

5. Skeletal System

6. Muscular System Components: Functions
Skeletal muscle tissue – muscle usually attached to bones
Functions
Movement
Maintaining posture
Producing heat

7. Muscular System

8. Nervous System Components: Functions:
Brain, spinal cord, nerves, and sense organs such as eyes and ears
Functions:
Regulates body activities through nerve impulses by detecting changes in the environment
Responds to changes by activating appropriate muscles and glands

9. Nervous System

10. Endocrine System Components: Functions:
All glands and tissues that produce hormones (chemical regulators of body functions)
Functions:
Secrete hormones that regulate processes such as growth, reproduction, and metabolism.

11. Endocrine System

12. Cardiovascular/Circulatory System
Components:
Heart, blood, blood vessels
Functions:
Transport blood throughout body
Blood carries oxygen and nutrients to cells
Blood carries carbon dioxide and wastes away from cells

13. Cardiovascular/Circulatory System

14. Immune/Lymphatic System
Components:
Lymphatic fluid and vessels; spleen, thymus, lymph nodes, tonsils
Functions:
Picks up fluid leaked from blood vessels and returns it to blood
Protects body against disease-causing organisms

15. Immune/Lymphatic System

16. Respiratory System Components: Functions:
Lungs, pharynx (throat), larynx (voice box), trachea (windpipe), bronchus
Functions:
Keeps blood supplied with oxygen
Removes carbon dioxide

17. Respiratory System

18. Digestive System Components: Functions:
Mouth, esophagus, stomach, small and large intestines, rectum, anus
Functions:
Breaks down food so that it can be absorbed into blood and distributed to cells
Eliminates solid wastes

19. Digestive System

20. Urinary/Excretory System
Components:
Kidney, ureter, urinary bladder, urethra
Functions
Eliminates nitrogenous wastes from the body
Regulates volume and chemical composition of the blood
Maintains body’s mineral balance
Helps regulate red blood cell production

21. Urinary/Excretory System

22. Reproductive System Components: Functions:
Female: Ovaries, uterine tube, uterus, vagina, mammary glands
Male: Testes, penis, vas deferens, prostate gland, seminal vesicles
Functions:
Production of offspring
Provides for conception and childbearing

23. Reproductive System