Organ Systems Overview

Integumentary System

  • Primary Functions:
    • Protection
    • Water retention
    • Temperature regulation
    • Fat storage
    • Sensation
    • Vitamin D synthesis/production
  • Associated Organs:
    • Skin
    • Hair
    • Nails
    • Cutaneous glands

Skeletal System

  • Primary Functions:
    • Support
    • Mineral storage
    • Blood-cell production
  • Associated Organs:
    • Bones
    • Cartilage
    • Ligaments

Muscular System

  • Primary Functions:
    • Movement
    • Posture
    • Balance
    • Controls openings
    • Heat production
  • Associated Muscle Types / Organs:
    • Skeletal muscle
    • Smooth muscle
    • Cardiac muscle

Nervous System

  • Primary Functions:
    • Senses environment
    • Rapid communication
    • Motor control
  • Associated Organs:
    • Brain
    • Spinal cord
    • Nerves
    • Ganglia

Endocrine System

  • Primary Functions:
    • Production of hormones and chemical communication
  • Associated Organs:
    • Pituitary gland
    • Pineal gland
    • Adrenal glands
    • Thyroid gland
    • Testicles
    • Hypo (Hypothalamus)
    • Parathyroids
    • Ovaries
    • Thymus
    • Pancreas

Cardiovascular System

  • Primary Functions:
    • Transports nutrients, O2O_2, wastes, hormones, etc.
  • Associated Organs:
    • Heart
    • Arteries
    • Veins
    • Capillaries

Lymphatic System

  • Primary Functions:
    • Immune cell production
    • Infection defense (immune defense)
    • Fluid recovery
  • Associated Organs:
    • Thymus
    • Spleen
    • Lymph nodes
    • Tonsils
    • Lymph vessels
    • Appendix

Respiratory System

  • Primary Functions:
    • Gas exchange
    • Brings in O2O_2
    • Removes CO2CO_2
  • Associated Organs:
    • Lungs
    • Bronchi
    • Bronchioles
    • Alveoli
    • Nose
    • Trachea
    • Pharynx
    • Larynx

Digestive System

  • Primary Functions:
    • Breaks down food so cells can absorb it
  • Associated Organs:
    • Mouth
    • Teeth
    • Tongue
    • Esophagus
    • Stomach
    • Intestines
    • Rectum
    • Anus
    • Liver
    • Pancreas
    • Salivary glands
    • Gallbladder

Urinary System

  • Primary Functions:
    • Waste removal
    • Regulates blood, water, electrolytes, and pH\text{pH}
  • Associated Organs:
    • Kidneys
    • Ureters
    • Bladder
    • Urethra

Male Reproductive System

  • Primary Functions:
    • Makes and delivers sperm
    • Produces sex hormones
  • Associated Organs:
    • Testicles
    • Vas deferens
    • Epididymis
    • Prostate
    • Seminal vesicles
    • Penis
    • Bulbourethral glands
    • Urethra

Female Reproductive System

  • Primary Functions:
    • Egg production
    • Fertilization
    • Fetal development
    • Birth
    • Lactation
    • Hormone production
  • Associated Organs:
    • Ovaries
    • Uterus
    • Uterine tubes
    • Vulva
    • Vagina
    • Mammary glands