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BRONZE MEDALLION PUA21012 Certificate II in Public Safety (Aquatic Rescue)

BRONZE MEDALLION PUA21012 Certificate II in Public Safety (Aquatic Rescue). THE HUMAN BODY Chapter 3. Ver 5.1 May 2013. Learning outcomes. Circulatory system Skeletal system Respiratory system Nervous system Digestive system Integumentary system Urinary system. Circulatory system.

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BRONZE MEDALLION PUA21012 Certificate II in Public Safety (Aquatic Rescue)

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  1. BRONZE MEDALLIONPUA21012 Certificate II in Public Safety (Aquatic Rescue) THE HUMAN BODY Chapter 3 Ver5.1 May 2013

  2. Learning outcomes • Circulatory system • Skeletal system • Respiratory system • Nervous system • Digestive system • Integumentary system • Urinary system

  3. Circulatory system • The heart is the central organ for the circulation of blood and consists of four chambers. It’s primary functions is to pump blood into two areas: • The lungs • The rest of the body 3

  4. Circulatory system Consists of: • Heart • Blood Vessels • Arteries • Veins • Capillaries • Blood 4

  5. Musculoskeletal systembones and joints • Bones: • provides body shape and support and also protects the vital organs. • Muscles: • Create movement • Tendons: • Connect Muscle to Bone • Ligaments: • Connect Bone to Bone 5

  6. Skeletal system Mobile sections: • Cervical (neck) • Thoracic (middle back) • Lumbar (lower back) • Immobile sections: • Sacrum • Coccyx The spinal column is divided into five sections, three are mobile:

  7. Respiratory system The respiratory system comprises upper and lower sections The upper section (Airway) Lower section - Lungs

  8. Respiratory systemthe breathing process • The air we breathe has 21% oxygen content. • Our body uses about 5%. • We exhale about 16% oxygen. 8

  9. Nervous system The brain through the spinal cord and nerves control every part of the body. • Central nervous system is made up of the brain and spinal column • Breathing control centre is located in the brain stem • Peripheral nervous system (PNS) comprises nerves and sensory receptors outside of the central nervous system 9

  10. Digestive system Major organs include: 10

  11. The integumentary system (Skin) The skin is the largest organ of the body and it performs a number of vital functions: • Protect underlying tissues and organs • Prevent entry of infectious agents • Maintain/regulate body temperature • Prevent dehydration • Detect stimuli (e.g. touch) • Produce body’s vitamin D 11

  12. Thank you

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