Body Systems

4. the mechanical and chemical breakdown of food into small particles and molecules that your body can absorb and use
5. a group of different tissues working together to perform a particular job
8. muscle muscle found only in the heart
9. strong body tissue that can contract in an orderly way
12. a group of similar types of cells that work together to carry out specific tasks
13. differentiation the process by which cells become different types of cells
14. a type of vascular tissue that carries water and dissolved nutrients from the roots to the stem and the leaves.
16. digestion a process in which food is physically broken into smaller pieces
17. system the system that collects and eliminates wastes from the body and regulates the level of fluid in the body
20. fingerlike projections, many of which cover the folds of the small intestine
21. where two or more bones meet
22. the tissue that connects bones to other bones
24. a series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose and give off oxygen

1. a type of vascular tissue that carries dissolved sugars throughout a plant
2. skeleton a fluid-filled internal cavity surrounded by muscle tissue
3. system a group of organs that work together and perform a specific task
6. tissue specialized plant tissue composed of tubelike cells that transports water and nutrients in some plants.
7. waves of muscle contractions that move food through the digestive tract
10. digestion a process in which chemical reactions break down pieces of food into small molecules
11. a part of food used by the body to grow and survive
15. muscle involuntary muscle named for its smooth appearance
18. the amount of energy it takes to raise the temperature of 1 kg of water by 1°C
19. a muscular tube that connects the mouth to the stomach
23. a thick, hard outer covering; protects and supports an animal’s body