11 Organsism Systems Flashcards
Integumentary
External body covering Hair, fingernails Waterproofs body Protects deeper tissue Produces vitamin D Excretes salt in sweat Regulates body temp Location of cutaneous nerve receptors
Skeletal
Consists bone, ligaments, joints, cartilage Provides muscle attachment for movement Protects organs Site of blood cell formation Stores minerals
Muscular
Skeletal muscles Contract or shorten Produced bone movement Allows manipulation , facial expressions Maintains posture Produces heat
Nervous
Fast acting control system
Consists brain, spinal cord, nerves, sensory receptors
Responds to internal and external stimuli
Sensory receptors detect change
Messages sent to central nervous system
CNS assess info and activate effectors ( muscles , glands )
Endocrine
Secretes hormones into blood
Glands secrete hormones that regulate growth and reproduction
Cardiovascular
Heart blood vessels
Heart pumps blood
Vessels transport blood to tissues
Blood transports O2 and CO2 nutrients hormones
Lymphatic
Lymphatic vessels lymph nodes lymphatic organs
Complements cardiovascular system by returning leaked fluids back to bloodstream
Lymph nodes and lymphatic organs cleanse blood
House WBC
Respiratory
Nasal, pharynx, larynx, trachea, bronchi, lungs
Gases exchanged with blood through air sacs in lungs
Supplies body with o2
Removes CO2
Digestive
Oral cavity, esophagus, stomach, intestines, rectum
Breaks down food
Allows nutrient absorption into blood
Eliminated indigestible material as faeces
Urinary
Maintains acid base balance
Regulators H2O and electrolyte balance
Regulates BP
Reproductive
Males testes, scrotum, penis, accessory glands and duct system
Testes produce sperm Duct system carries sperm to exterior Females Ovaries, uterine tubes, uterus, cabins Ovaries produce eggs Uterus provides sort of development of baby
