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ORGAN SYSTEMS

ORGAN SYSTEMS. August 23, 2013. BODY COVERING. INTEGUMENTARY SYSTEM: Include the skin and accessory organs such as the hair, nails, sweat glands, and sebaceous glands Protect underlying tissues, help regulate body temp… HOMEOSTASIS!!. SUPPORT AND MOVEMENT.

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ORGAN SYSTEMS

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  1. ORGAN SYSTEMS August 23, 2013

  2. BODY COVERING • INTEGUMENTARY SYSTEM: • Include the skin and accessory organs such as the hair, nails, sweat glands, and sebaceous glands • Protect underlying tissues, help regulate body temp… HOMEOSTASIS!!

  3. SUPPORT AND MOVEMENT • -consists of skeletal and muscular systems (support and move body parts) • SKELETAL SYSTEM: • Bones, ligaments, and cartilages • Provide protective shields for softer tissues, serve for attachments for muscles, act with muscles when the body moves

  4. SUPPORT AND MOVEMENT (CONT.) • MUSCULAR SYSTEM: • Provide the force that move body parts • Help maintain posture and are the PRIMARY SOURCE OF BODY HEAT

  5. INTEGRATION AND COORDINATION • Nervous and endocrine systems- control and adjust various organ functions and maintain homeostasis • NERVOUS SYSTEM- consists of brain, spinal cord, nerves, and sense organs • Use nerve impulses to communicate with one another and with muscles and glands

  6. INTEGRATION AND COORDINATION • ENDOCRINE SYSTEM: • Includes ALL the glands that secrete chemical messengers, called hormones. • Compared to nerve impulses, hormonal effects occur over a relatively long period • Endocrine organs: pituitary, thyroid, parathyroid, and adrenal glands, pancreas, ovaries, testes, pineal gland, and thymus

  7. TRANSPORT • TRANSPORT SUBSTANCES THROUGHOUT THE INTERNAL ENVIRONMENT • CONSISTS OF CARDIOVASCULAR AND LYMPHATIC SYSTEMS • Cardiovascular- includes heart, arteries, capillaries, veins, and blood • Heart Is a muscular pump that helps force blood through the blood vessels.

  8. TRANSPORT • LYMPHATIC SYSTEM: • Sometimes considered part of the cardiovascular system. • Composed of the lymphatic vessels, lymph fluid, lymph nodes, thymus, and spleen. • Cells of the lymphatic system called lymphocytes defend the body against infections by removing pathogens from tissue fluid.

  9. ABSORPTION AND EXCRETION • Absorb nutrients and oxygen and excrete wastes • Digestive system- receive food and then break down food molecules into simpler forms that can be absorbed into the internal environment • Mouth, tongue, teeth, salivary glands, pharynx, esophagus, stomach, liver, gallbladder, pancreas, small intestine, and large intestine

  10. ABSORPTION AND EXCRETION • RESPIRATORY SYSTEM- • Take air in and out and exchange gases between the blood and the air • nasal cavity, larynx, trachea, bronchi, and lungs are parts of this system

  11. ABSORPTION AND EXCRETION • URINARY SYSTEM: • Consists of kidneys, ureters, urinary bladder, and urethra. • Kidneys remove wastes from blood and assist in maintaining the body’s water and electrolyte balance. The product of these activities is urine. • Sometimes urinary system is called the excretory system

  12. REPRODUCTIVE • PRODUCES WHOLE NEW ORGANISM LIKE ITSELF • MALE ORGANS: scrotum, testes, epididymides, ductusdeferentia, seminal vesicles, prostate gland, bulbourethral glands, urethra, and penis • FEMALE ORGANS: ovaries, uterine tubes, uterus, vagina, clitoris, and vulva • REPRODUCTIVE SYSTEM manufacture and transport sex cells. Also provide for prenatal development and childbirth

  13. REVIEW QUESTION #1 • WHICH CHARACTERISTICS OF LIFE DOES A COMPUTER HAVE? WHY IS A COMPUTER NOT ALIVE??

  14. REVIEW QUESTION #2 • PUT THE FOLLOWING IN ORDER FROM SMALLEST AND SIMPLEST, TO LARGEST AND MOST COMPLEX: • ORGAN, MOLECULE, ORGANELLE, ATOM, ORGAN SYSTEM, TISSUES, ORGANISM, CELL, MACROMOLECULE

  15. REVIEW QUESTION #3 • WHAT ENVIRONMENTAL CONDITIONS WOULD BE NECESSARY FOR A HUMAN TO SURVIVE ON ANOTHER PLANET??

  16. REVIEW QUESTION #4 • IN HEALTH, BODY PARTS INTERACT TO MAINTAIN HOMEOSTASIS. ILLNESS CAN THREATEN THE MAINTENANCE OF HOMEOSTASIS, REQUIRING TREATMENT. WHAT TREATMENTS MIGHT BE USED TO HELP CONTROL PATIENT’S • BODY TEMP? • BLOOD OXYGEN LEVEL? • BLOOD GLUCOSE LEVEL?

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