THE ORGAN SYSTEMS

Integumentary System

  • Major organs
    • Skin
    • Hair
    • Sweat glands
    • Nails
  • Functions
    • Protects against environmental hazards
    • Helps regulate body temperature
    • Provides sensory information

Skeletal System

  • Major organs
    • Bones
    • Cartilages
    • Associated ligaments
    • Bone marrow
  • Functions
    • Provides support and protection for other tissues
    • Stores calcium and other minerals
    • Forms blood cells

Muscular System

  • Major organs
    • Skeletal muscles and associated tendons
  • Functions
    • Provides movement
    • Provides protection and support for other tissues
    • Generates heat that maintains body temperature

Nervous System

  • Major organs
    • Brain
    • Pituitary gland
    • Spinal cord
    • Peripheral nerves
    • Sense organs
  • Functions
    • Directs immediate responses to stimuli
    • Coordinates or moderates activities of other organ systems
    • Provides and interprets sensory information about external conditions

Endocrine System

  • Major organs
    • Thyroid gland
    • Pancreas
    • Adrenal glands
    • Gonads
    • Endocrine tissues of other systems
  • Functions
    • Directs long-term changes in the activities of other organ systems
    • Adjusts metabolic activity and energy use by the body
    • Controls many [text appears truncated in transcript]

Cardiovascular System

  • Major organs
    • Heart
    • Blood
    • Blood vessels
  • Functions
    • Distributes blood cells, water, and dissolved materials including nutrients, waste products, oxygen, and carbon dioxide
    • Distributes heat and assists in control of body temperature