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Body Systems.
functions and the organs used in the system.
11
Biology
9th Grade
06/02/2010

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Term
Integumentary System
Definition
Barrier against injury and infection. Skin, hair, nails.
Term
Skeletal System
Definition
Support and protect body. 206 bones.
Term
Muscle System
Definition
Allows for movement of the body. Skeletal, cardiac, and smooth muscles.
Term
Digestive System
Definition
Convert food into smaller molecules. Mouth, esophagus, stomach, intestines, rectum, anus.
Term
Circulatory System
Definition
Move blood throught the body. Heart, veins, arteries, capillaries.
Term
Respiratory System
Definition
Exchange of carbon dioxide and oxygen. Lungs, trachea, bronchi, alveoli.
Term
Excretory System
Definition
Remove wastes from BLOOD. Kidney, ureter, bladder, urethra.
Term
Reproductive System
Definition
Produce hormones and gametes (egg/sperm). Ovary, fallopian tube, uterus; testes.
Term
Endocrine System
Definition
Deliver chemical messages throughout body. Hypothalamus, pituitary, adrenal, thyroid, pancreas.
Term
Immune System
Definition
Protection against disease. Lymphatic nodes/skin/mucus membranes.
Term
Nervous System
Definition
Responds to internal/external stimuli. Brain/spinal cord.
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