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NUR 101 Body Structure and Function

Discover the structure and functions of the major organ systems of the body, including the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems.

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NUR 101 Body Structure and Function

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  1. NUR 101 Body Structure and Function Module D- Introduction to the Organ Systems of the Body

  2. Integumentary Skeletal Muscular Nervous Endocrine Cardiovascular (circulatory ) Lymphatic Respiratory Digestive Urinary Reproductive Major Organ Systems of the Body

  3. Integumentary System • Components of the integumentary system include: • Skin • Hair • Nails • Sense receptors • Sweat glands • Oil glands

  4. Integumentary System • Functions of the Integumentary system: • Primary function is protection of underlying tissue against invasion of bacteria, most chemical and mechanical injury • Regulates body temperature • Functions as a sophisticated sense organ • Synthesizes important chemicals

  5. Skeletal System • Components of the skeletal system include: • 206 bones • Cartilage • Ligaments • joints

  6. Skeletal System • Functions of the Skeletal system: • Provides the body with a rigid framework for support and protection • Makes movement of body parts possible • Serve as storage area for important minerals such as calcium and phosphorus • Formation of blood cells in the red marrow of certain bones

  7. Muscular System • Components of the Muscular system include: • Voluntary or skeletal muscles • Involuntary or smooth muscles • Cardiac muscle

  8. Muscular System • Functions of the Muscular system: • Provide movement • Maintenance of body posture • Production of heat

  9. Nervous System • Components of the Nervous system • Brain • Spinal cord • Nerves • Sense organs

  10. Nervous System • Functions of the Nervous system: • Communication between body functions • Integration of body functions • Control of body functions • Recognition of sensory stimuli • Control is rapid and short in duration

  11. Pituitary Pineal gland Hypothalamus Thyroid gland Parathyroid gland Thymus Adrenals Pancreas Ovaries Testes Endocrine System

  12. Endocrine System • Functions of the Endocrine system: • Communication between body functions • Integration of body functions • Control of body functions • Control is slow and long in duration • Hormone regulation of: growth, metabolism, reproduction, fluid and electrolyte balance

  13. Cardiovascular System • Components of the Cardiovascular system : • Heart • Blood vessels

  14. Cardiovascular System • Functions of the Cardiovascular system; • Transportation of oxygen, carbon dioxide, nutrients, hormones and other substances • Regulates temperature • Defense of the body or immunity

  15. Lymphatic System • Components of the Lymphatic system: • Lymph nodes • Lymph vessels • Thymus • Spleen • Tonsils

  16. Lymphatic System • Functions of the Lymphatic system • Movement of fluids and certain large molecules from tissue spaces around the cells • Movement of fat-related nutrients from the digestive tract to the blood • Involved in the functioning of the immune system

  17. Respiratory System • Components of the Respiratory System: • Nose • Pharynx • Larynx • Trachea • Bronchi • Lungs

  18. Respiratory System • Functions of the Respiratory system • The alveoli in the lungs exchange waste gas (carbon dioxide ) for oxygen • Filtration of irritants from inspired air • Regulation of acid- base balance

  19. Primary Organs Mouth Pharynx Esophagus Stomach Small intestine Large intestine Rectum Anal canal Accessory Organs Teeth Salivary glands Tongue Liver Gallbladder Pancreas Appendix Digestive System

  20. Digestive System • Functionsof the Digestive system • Mechanical and chemical breakdown of food • Absorption of nutrients • Undigested waste product is eliminated through fecal material

  21. Urinary System • Components of the Urinary system • Kidneys • Ureters • Urinary bladder • Urethra

  22. Urinary System • Functions of the Urinary system • Maintains the electrolyte, water, and acid-base balance • Transports urine and semen through the urethra • Involved in the elimination of waste products through urine

  23. Reproductive System : Male • Components of the male reproductive system • Gonads – Testes • Genital Ducts - Ductus (vas) deferens, Urethra • Accessory organs – Prostate • Genitalia- Penis, Scrotum

  24. Reproductive System : Female • Components of the female reproductive system • Gonads- Ovaries • Accessory organs – Uterus, Uterine (fallopian) tubes, Vagina • Genitalia- Vulva • Mammary glands - Breasts

  25. Reproductive System • Functions of the reproductive system • Ensures survival of the species • Production of hormones permit the development of sexual characteristics • Transfer and fertilization of sex cells • Development and birth of offspring • Nourishment of offspring

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