Organ Systems

Integumentary system

Protects, regulates temp, senses, stores fat, makes vitamin D

Skeletal system

Support, protect, movement, blood cells, minerals/fat

Muscular system

Movement, posture, heat

Nervous system

Detects, interprets, responds

Endocrine system

Hormone regulation

Cardiovascular system

Circulates blood, nutrients/O₂, removes wastes, defense

Lymphatic system

Returns fluid, immunity, transports fats

Respiratory system

Gas exchange, pH balance, voice

Digestive system

Breaks down food, absorbs nutrients, eliminates waste

Urinary system

Removes waste, regulates blood and pH, red blood cell production

Reproductive system

Gametes and hormones, transport/storage, milk production

Integumentary

Skin, hair, nails, sweat & oil glands

Skeletal

Bones, joints, cartilage

Muscular

Skeletal muscles, tendons

Nervous

Brain, spinal cord, nerves, sense organs (eyes, ears)

Endocrine

Hormone-producing glands (pituitary, thyroid, adrenal, pancreas, ovaries, testes)

Cardiovascular

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

Lymphatic/Immune

Lymph nodes, lymphatic vessels, spleen, thymus, tonsils

Respiratory

Lungs, trachea, bronchi, pharynx, larynx

Digestive

Mouth, esophagus, stomach, intestines, liver, pancreas, gallbladder

Urinary

Kidneys, ureters, bladder, urethra

Reproductive (Male)

Testes, penis, ducts, glands

Reproductive (Female)

Ovaries, uterus, fallopian tubes, vagina, mammary glands