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Human body systems

Learn about the integumentary system, skeletal system, muscular system, nervous system, endocrine system, digestive system, circulatory system, urinary system, and reproductive system.

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Human body systems

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  1. Human body systems

  2. Integumentary System • It is the body covering. • Includes: • skin, hair, nails and sweat glands • Function: • protect underlying tissues and regulate body temperature

  3. Skeletal System • Includes: • bones, ligaments, cartilage • Function: • Support, movement, protection, and production of blood cells

  4. Muscular System • Includes: • Muscles of the body • Function: • Movement, maintenance of posture, production of body heat

  5. Nervous System • Includes: • Brain, spinal cord, nerves throughout the body • Function: • Communication throughout body, mental activities, maintaining homeostatsis

  6. Endocrine System • Includes: • Ductless glands= pituitary, adrenal, thyroid, parathyroid, pancreas, ovaries, testes, thymus, pineal gland • Function: • Secretion of hormones, communication between body parts

  7. Digestive System • Includes: • Mouth, teeth, pharynx, esophagus, stomach, small intestines, large intestines, liver, gall bladder, and many glands including the pancreas • Function: • Breakdown of food substances into simpler forms that can be absorbed (digestion)

  8. Circulatory System • Includes: heart, blood vessels, blood • Function: • Transports materials throughout the body • *Lymphatic system usually included with the circulatory system

  9. Urinary System • Includes: Kidneys, ureters, urinary bladder, urethra • Function: Removes (“filters”) wastes from the blood and helps maintain the body’s water & electrolyte balance

  10. Reproductive System • Includes: reproductive organs, primarily the ovaries (females) and testes (males) • Function: produce special reproductive cells for reproduction

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