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Name: Date: SCIENCE: Chapter 5 Vocabulary 1. 2. 3. 4. 5. Tissue: a group of same kind of cells that work together to do the same kind of job Organ: a group of different tissues that join together into one structure System: a set of things that work together as a whole Circulatory System: moves blood through the body, which includes the heart, blood, and blood vessels Heart: a muscular organ that pumps blood throughout your body 6. 7. 8. 9. Respiratory System: the system of the body that helps your breathe Diaphragm: a dome-shaped muscle that moves down, making more space in your chest for air Lungs: organs that help the body exchange oxygen and carbon dioxide, with the air outside the body Trachea: a tube that carries air to the lungs and leads to two branches called bronchi and bronchioles 10. Skeletal System: made up of bones that support your body and help you move 11. Skeleton: is made up on all the bones in your body 12. Muscles: organs that work together to move your body 13. Muscular System: made up of the muscles and the tissues that attach them to bones 14. Nervous System: tells you what is going on in the world around you 15. Brain: the main organ or control center of the nervous system 16. Digestive System: breaks down food into very small parts that the blood can use 17. Stomach: the organ where food begins to break down after swallowing 18. Intestines: tube-shaped organs that through which most nutrients and water are absorbed 19. Excretory System: it is organisms that have structures to remove waste from the blood 20. Kidneys: a pair of organs that remove waste from the blood 21. Bladder: a hollow organ that collects and stores urine formed by the kidneys 22. Skin: helps get rid of waste from the blood through your sweat glands, along with water and salt