Structures: Skin, hair, nails, sweat, oil glands

Function: Guards against infection and injury and ultraviolet radiation, helps regulate body temp.

Structures: White blood cells, thymus, spleen, lymph nodes, lymph vessels

Function: Helps protect body from disease; collects fluid lost from blood vessels and returns it to the circulatory system

Structure: heart, blood vessils, blood

Function: transports oxygen, nutrients, hormones to cells. Fights infection. removes cell waste. Regulates body's temp

Structures: bones, cartilage, ligaments, tendons

Function: support body, protect internal organs, movement, stores mineral reserves, produces blood cells

Structure: nose, pharynx, larynx, trachea, bronchi, lungs

Functions: brings oxygen in, and carbon dioxide out

Structure: mouth, pharynx, esophagus, stomach, small/large intestines, rectum

Functions: breaks down food, absorbs nutrients, eliminates wastes

Structures: skin, lungs, liver, kidneys, ureters, urinary bladder, urethra

Function:eliminates waste products from the body

Structures: hypothalamus, pituitary, thyroid, parathyroids, adrenals, pancreas, ovaries(females), testes (males)

Function: controls growth, development, metabolism, maintains homeostasis

Sctructures: testes, epidiymus, vas deferedas, urethra and penis (males) ovaries, falloian tubes, uterus, vagina (females)

Functions: produces gametes, in females: nurtures/protects developing embryo