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Organ Systems Study Guide Cells Tissue Organs Organ Systems 1. Circulatory (Cardiovascular) System Organs o Heart o Blood Vessels Function – Pumps blood through the whole body Arteries – Takes oxygen rich blood away from the heart, to the lungs, and then to the rest of the body Capillaries – Tiny blood vessels Veins – takes blood back to the heart 2. Skeletal System Organs o Bones o Tendons o Ligaments Functions o Protects, o Helps make red blood cells, o Storage of Minerals 3. Integumentary System Organs o Skin o Hair o Nails Function – Protection Epidermis – outer layer of skin Dermin – bottom later of skin 4. Muscular System Organs o 3 types Smooth Skeletal Cardiac Functions o Movement o Balance o Coordination 5. Nervous System Organs o Brain o Spinal Cord o Nerves Functions o Relays electrical signals though our the body o Tells the body what to do (controls the body) o Senses o Helps body maintain homeostasis 6. Lymphatic (Immune) System Organs o Lymph Nodes o Tonsils o Spleen Function – Destroy and remove viruses from the body 7. Respiratory System Organs o Nose o Mouth o Tracea o Bronchi o Lungs Function – Provides gas exchange between the blood and the environment Breathe In Oxygen & Out Carbon Dioxide 8. Digestive System Organs o Mouth o Esophagus o Stomach o Small Intestine o Large Intestine` Function – Break down (stomach) & absorb (small intestine) nutrients 9. Excretory (Urinary) System Organs o Kidneys o Bladder o Urethra o Ureters Function – Filters out wastes, toxins, and excess water 10. Endocrine System Organs o Glands o Hypothalamus o Pituitary o Thyroid o Pancreas o Adrenal Gland Functions o Relays chemical messengers that controls things such as nutritional absorption and growth o Produces Hormones 11. Reproductive System