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Your Guts

Your Guts. What do they do?. The Skeletal System. Provides a frame to support and protect body parts Protects organs like your brain Marrow in your bones makes blood cells Without bones, you couldn ’ t move!. The Muscular System. Works with your skeletal system to help you move

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Your Guts

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  1. Your Guts What do they do?

  2. The Skeletal System • Provides a frame to support and protect body parts • Protects organs like your brain • Marrow in your bones makes blood cells • Without bones, you couldn’t move!

  3. The Muscular System • Works with your skeletal system to help you move • Often work in pairs • Bend = flexor • Straighten = extensor • Resistance exercise means more strength • Aerobic exercise means heart strength and muscle endurance

  4. The Integumentary System • Skin, hair, and nails protect other tissues • Keeps water in, foreign particles out (think band-aids) • Helps with sense of touch • Regulates temperature

  5. The Cardiovascular System • Distributes blood to other organs • Made of the heart, blood vessels, and blood • Blood carries oxygen • Oxygen poorlungs • Oxygen rich from hearteverywhere else

  6. The Lymphatic System • Returns fluids to blood vessels and helps get rid of bacteria and viruses • Takes fluid from between cellsblood • The spleen and tonsils are parts of the lymphatic system

  7. The Respiratory System • Brings in oxygen and releases carbon dioxide • Breathing involves your lungs, muscles in the rib cage, and your diaphragm • Puts oxygen into your blood; takes out carbon dioxide from blood and exhales it

  8. The Digestive System • Breaks food down into nutrients your body can use • Breaking and mashing food is mechanical • Breaking large food molecules into simpler, useable ones is chemical

  9. The Urinary System • Removes waste from your blood and regulates body fluids • We need to get rid of all the water we take in • Kidneys filter our blood

  10. The Nervous System • Receives and sends electrical signals throughout the body • Central: brain and spinal cord • Peripheral: everything else (nerves) • Regulatesthinking, sensing, feeling, movement, heart rate, blood pressure, body temperature, breathing, balance, etc.

  11. The Endocrine System • Sends out chemical messages that control other systems • Chemical messages are called hormones • Hormones tell cells and tissue what to do • Pancreas regulates blood sugar • Includes adrenal and thyroid glands

  12. The Reproductive System • Female: produces eggs, nourishes/protects fetus • Male: provides the sperm for fertilizing the egg

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