Functions of the Organ System

Integumentary

skin, hair, nails, which protect our internal organs

Skeletal

Bones, teeth, cartilage, and ligaments which support us, help with movement, and make blood cells.

Muscular

Moves our body parts by contracting

Pulmonary or Respiratory

Takes in oxygen and gets rid of carbon dioxide

Cardiovascular or Circulatory

Blood, heart, and blood vessels, which transport oxygen, nutrients, and hormones throughout the body.

Digestive

Breaks down food and transports the nutrients into the blood

Urinary

Filters the blood, produces urine, regulates water in the body

Reproductive

Makes eggs and sperm and protect the developing offspring before birth

Nervous

Gather sensory information, processes it, and coordinates responses to stimuli

Endocrine

Produces and regulates hormones to maintain homeostasis.

Lymphatic

Circulates water around the body and helps with fighting dangerous pathogens

Immune

Prevents pathogens from entering the body and fights them when they get in