Human Body Systems

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Human Body
Systems
Integumentary System
• protects body from damage; consists of
skin, hair, nails, sweat glands, and
sebaceous glands
Nervous System
• network of nerve
cells and fibers
that send
electrical
messages
throughout your
body; made up of
the brain, spinal
cord, and nerves
Endocrine System
• collection of glands that secrete
hormones
Immune System
• the body’s defense against foreign
substances and infectious organisms
Lymphatic System
• vessels that carry lymph throughout the
body; help fight against infections
Reproductive System
• collection of organs that work together
for the purpose of reproducing
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Cardiovascular System
• circulates blood throughout the body;
consists of the heart and blood vessels
Respiratory System
• a system in which your lungs absorb
oxygen and release carbon dioxide
Skeletal System
• provides a frame that supports and
protects your body parts; consists of
bones and other connective tissues
Muscular System
• works with the skeletal system to help
you move; consist of muscles
Digestive System
• breaks down food; includes the
esophagus, stomach, and intestines
Urinary System
• produces, stores, and eliminates fluid
wastes
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