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Human Body Organ Systems

Human Body Organ Systems. The Human body has 11 organ systems – cardiovascular (circulatory), digestive, endocrine, excretory (urinary), immune(lymphatic), integumentary, muscular, nervous, reproductive, respiratory, and skeletal. Let’s review what we know about them!.

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Human Body Organ Systems

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  1. Human Body Organ Systems

  2. The Human body has 11 organ systems – cardiovascular (circulatory), digestive, endocrine, excretory (urinary), immune(lymphatic), integumentary, muscular, nervous, reproductive, respiratory, and skeletal. • Let’s review what we know about them!

  3. Cardiovascular (Circulatory) System • Function • Carries oxygen and food to cells • Carries carbon dioxide away from cells • Transports nutrients, chemical messengers, gases, and wastes in the blood • Organs/Structure • Heart • Blood • Blood vessels

  4. Respiratory System • Function • Adds oxygen to the blood • Removes Carbon Dioxide from the blood • Organs/Structures • Mouth • Nose • Trachea • Bronchi • lungs

  5. Digestive System • Function • Breaks down food into units that can be absorbed by the body • Used by the body’s cells for energy • Organs/Structures • Mouth • Esophagus • Stomach • Intestines

  6. Endocrine System • Function • Controls cell function with hormones: • Growth • Development • Metabolism • Reproduction • Organs/Structures • pituitary gland • Thyroid • thymus

  7. Urinary (Excretory) System • Function • Removes waste from the body • Maintains body fluid volume, pH and electrolyte levels • Organs/Structures • Kidney • bladder

  8. Lymphatic (immune) System • Function • Protects the body from disease • Organs/Structures • White blood cells • Spleen • Lymph nodes

  9. Integumentary System • Function • Provides a protective barrier for the body • Contains sensory receptors for pain, touch and temperature • Organs/Structures • Skin • Hair • Nails • Sweat and Oil Glands

  10. Muscular System • Function • Works with skeletal system to produce movement • Moves bones and maintains structure • Organs/Structures • Skeletal muscles • Smooth muscles • Tendons

  11. Skeletal System • Function • Supports the body • Works with muscular system to move the body • Protects major organs • Organs/Structures • Bones • Cartilage • Ligaments

  12. Nervous System • Function • Controls cell function with electrical signals • Organs/Structures • Brain • Spinal cord • Nerves

  13. Reproductive System • Function • Produces reproductive cells (gametes) • Responsible for producing offspring • Female organs provide environment for development of fetus

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