1.
cardiovascular system: heart and blood vessels. (blood vessles transport blood, oxygen, carbon dioxide,nutrients,wastes, etc.)
2.
digestive system: breaks down food into absorbable matter that enters the blood for distribution to body cells. (indigestible foodstuffs are eliminated as feces) (contains: oral cavity, esophagus, liver, stomach, small intestine, large intestine, colon, rectum, and anus.)
3.
endocrine system: glands that secrete hormones that regulate growth,reproduction,and metabolism by body cells. (contains:thyroid,thymus,adrenal,pancreas,ovary,testis, pineal,and pituitary)
4.
integumentary: Forms the external body covering, and protects deeper tissues from injury.
(ex: skin, hair, nails)
5.
lymphatic system/ immunity: picks up fluid leaked from blood vessels and returns it to blood, disposes of debris found in the lymphatic system, houses white blood cells, causes the immune system to attack against foreign substances in the body. (contains: bone marrowm thymus, lymphatic vessels, thyroid duct, spleen, and lymph nodes)
6.
muscular system: Allows manipulation of the environment, locomotion,and facial expression. (maintains posture and produces body heat)
7.
nervous system: A fast acting control system of the body (responds to internal and external changes by activating appropriate muscles and glands) (contains: brain, nerves, and spinal cord)
8.
reproductive system: overall functions of producing offspring (male and female)
9.
respiratory system: keeps blood supplied with oxygen and removes carbon dioxide. (contins: nasal cavity, pharynx, larynx, trachea, bronchus, and lungs)
10.
skeletal system: Protects and supports body organs, and provides a framework the muscles use to cause movement. (bones make blood cells and store minerals)
11.
urinary system: eliminates nitrogenous wastes from the body, regulates water, electrolyte, and acid-base balance of the blood. (contains: kidneys, urinary bladder, and urethra)