Across
- 3. created by testes from puberty until death.
- 5. This system Breaks down food to provide nutrients and energy
- 10. This system Removes waste from the body
- 15. Blood vessels that carry deoxygenated blood back to the heart.
- 17. Filters blood from arteries using filters called nephrons
- 18. cell fragments that help your blood clot
- 20. produces eggs, estrogen
- 21. either of two small masses of lymphoid tissue in the throat, one on each side of the root of the tongue.
- 25. this system is part of the immune system that has many functions.It is similar to a gutter system in a house.
- 27. this system is the glands and organs that make hormones and release them directly into the blood so they can travel to tissues and organs all over the body
- 29. this system protects the body from injury and bacteria, maintains tissue moisture, holds receptures for.
- 33. membrane that covers and protects the bones and contains nerves, and blood vessels.
- 35. this system works with your bones to help your body move.
- 36. lymphoid organ situated in the neck of vertebrates that produces T cells for the immune system. The human thymus becomes much smaller at the approach of puberty.
Down
- 1. Absorbs nutrients
- 2. metabolism
- 4. created by female's ovaries before birth
- 6. this system fights diseases causing germs like bacteria, uiruses parasites and fungi.
- 7. this system is to produce offspring
- 8. A muscular sack that stores urine until it is removed from the body
- 9. these muscles involuntary, beat without you thinking about it.
- 11. controls awareness, movements, speech and memory.
- 12. the outer layer epithelial cells and melanocytes that produce pigment that gave skin color.
- 13. vocal cords are stretched across larynx
- 14. this system protects soft organs,stores,calcium and phosphorus, make blood cells in narrow, provides shape, support and movement of the body.
- 16. an abdominal organ involved in the production and removal of blood cells in most vertebrates and forming part of the immune system.
- 19. This organ moves food from the mouth to the stomach
- 22. a bundle of nerve fibers wrapped in three layers of tissues called membrane.
- 23. these muscles regulate blood pressure, helps with digestion.
- 24. a large lobed glandular organ in the abdomen of vertebrates, involved in many metabolic
- 26. when the muscle at the bottom of the lungs pulled down, air fills the lungs.
- 28. fingernails and toenails protect the soft tissue of fingers and toes.
- 30. this system the network of nerve cells and fibers which transmits nerve impulses between parts of the body.
- 31. this system exchanges oxygen and carbon dioxide
- 32. This system transports nutrients, waste, and disease fighting cell throughout the body.
- 34. soft, jelly-like center of bones