Across
- 3. upper chamber of the heart that receives blood from the body and lungs
- 5. living things
- 7. hair like extensions that protrude from the surface of some unicellular organisms and from some cells is multicellular
- 10. organelles that directs all the activities in a cell
- 11. type of connective tissue found in the bones that produces red blood cells
- 13. allows movement
- 17. tissue that supports and connects different parts of the body
- 18. group of tissue that work together to perform a specific function
- 20. organelles that converts sunlight into food
- 22. the basic unit of life
- 23. group of similar cells working together to perform a specific function
- 24. respond
Down
- 1. removal of waste from the blood using machine that functions as a kidney
- 2. outer covering of a cell that provides strength and support
- 4. an organisms reaction to a stimulus
- 6. type of microscopic organism
- 8. large artery carrying blood from the left vertebra to the body
- 9. waste removal
- 11. allows movement
- 12. made of more than one cell
- 13. moves bones
- 14. substance created by the body to carry out chemical digestion
- 15. two main branches of the trachea that leads to into the lungs
- 16. small branches of a neuron that receives info from neighboring cells
- 19. nerve that leads from the retina to the brain
- 21. a group of organs that work together to perform a certain task