Introduction to Human Body Systems

Integumentary System

• Hair, skin and nails

• Function: protects tissue beneath them

Muscular System

• Works with skeletal system to help you move

Skeletal System

• Bones provide support

Cardiovascular and Circulatory Systems

• Comprised of heart, arteries, capillaries and veins

• The heart pumps blood through blood vessels

Respiratory System

• Lungs absorb oxygen and release carbon dioxide

Urinary System

• Removes waste from the blood and regulates your body’s fluids

Male Reproductive System

• Produces and delivers sperm

Female Reproductive System

• Produces eggs and nourishes and protects the fetus

Nervous System

• Receives and sends electrical messages throughout the body

Digestive System

• Breaks down food into nutrients that can be absorbed by the body

Lymphatic System

• Returns leaked fluids to blood vessels

• Helps get rid of bacteria and viruses

Endocrine System

• Glands send out messages