Body Systems - Major Structures & Specialties

integumentary system

responsible for protection of the body from the outside world and
maintenance of homeostasis

integumentary system major structures

skin, sweat glands, sebaceous (oil) glands, hair, fingernails, toenails
skin is the largest organ in the body, 15% of your body weight

integumentary system specialists

dermatology/dermatologist

musculosekletal system

responsible for the body's overall support and movement

musculosekletal system major structures

muscles, tendons, bones, joints, cartilage

musculosekletal system specialists

orthopedics/orthopedic surgeon
physical therapist
chiropractic/chiropractor

nervous system

responsible for receipt and processing of information

nervous system major structures

brain, spinal cord, nerves

nervous system specialists

neurology/neurologist
neurosurgeon

nervous system - special senses

responsible for the intake of sensory information from different
parts of the body

nervous system - special senses - major structures

ears, nose, tongue, sensory organs of the skin

nervous system - special senses - specialists

opthamology/opthamologist
optometry/optometrist
otolaryngology/otolaryngologist

respiratory system

responsible for the delivery of oxygen to all vital organs and the
removal of carbon dioxide

respiratory system - major structures

nose, pharynx, larynx, trachea, bronchial tubes, lungs, mouth, diaphragm

respiratory system - specialists

pulmonology/pulmonologist
thoracic surgery/thoracic surgeon
internal medicine/internist
immunology/allergist

cardiovascular/circulatory system

responsible for the circulation of blood

cardiovascular/circulatory system - major structures

heart, blood vessels (arteries, veins, capillaries), blood

cardiovascular/circulatory system - specialists

cardiology/cardiologist
hematology/hematologist
internal medicine/internist
thoracic surgery/thoracic surgeons

immune/lymphatic system

responsible for the protection of the body from disease

immune/lymphatic system - major structures

lymphatic nodes, thymus gland, tonsils, spleen, lymphocytes (white
blood cells), lymphatic fluid, lymph nodes, lymphatic vessels

immune/lymphatic system - specialists

immunology/allergist
immunologist

digestive/gastrointestinal system

responsible for the digestion and absorption of nutrients from foods

digestive/gastrointestinal system - major structures

mouth, pharynx, esophagus, stomach, small intestine, large intestine, anus

digestive/gastrointestinal system - specialists

gastroenterology/gastroenterologist
proctology/proctologist

urinary system

responsible for elimination of waste from the body

urinary system - major structures

kidneys, ureters, urinary bladder, urethra

urinary system - specialists

urology/urologist
nephrology/nephrologist

endocrine system

responsible for the secretion of hormones that control the actions of
the organs

endocrine system - major structures

thyroid gland, pituitary gland, testes and ovaries, adrenal glands,
pancreas, parathyroid glands, pineal gland, thymus gland

endocrine system - specialists

endocrinology/endocrinologist
internal medicine/internist

reproductive system - male

responsible for the fertilization of a woman's ovum

reproductive system - male - major structures

testes, epididymis, seminal vesicle, ductus/vas deferens, prostate
gland, penis

reproductive system - male - specialists

urology/urologist

reproductive system - female

responsible for reproduction from conception to pregnancy and childbirth

reproductive system - female - major structures

ovaries, fallopian tubes, uterus, vagina, vulva, mammary glands (breasts)

reproductive system - female - specialists

obsteterics / obstetrician
gynecology/gynecologist