Across
- 5. A muscular organ that pumps blood throughout your body.
- 6. The organ that takes in water from food and helps get rid of waste.
- 9. The organ that breaks down food for the body to use.
- 10. The organ that surrounds and protects the body.
- 11. An organ that breaks down fats, produces bile, and aids with digestion.
- 14. Part of the brain that controls thoughts, feelings, imagination, and voluntary muscle movements.
- 15. The smallest blood vessels that connect arteries with veins.
- 19. Part of the brain that controls balance and coordination.
- 22. The control center of your body.
- 23. Muscle found in organs.
- 24. A group of organs that work together to do a job.
- 27. Cells that make up an organ.
- 28. that helps make the body move. Muscles move bones by contracting (shortening) and relaxing (lengthening).
- 30. The organ system that removes liquid waste from the body. Also called the urinary system.
- 33. Organs that secrete substances needed for the chemical digestion of food but through which food does not actually pass as it is digested.
- 34. Also known as the windpipe, the tube in your throat that carries air from your nose and mouth to smaller tubes in your lungs called bronchi.
- 36. Blood vessels that carry oxygen poor blood to the heart.
- 38. The organ where most digestion occurs.
- 40. Bendable tissue that acts as a cushion between bones that meet.
- 41. Two organs that filter waste from the blood.
- 45. Where sound waves enter the ear and cause vibration.
- 46. Muscle located in the walls of the heart.
- 47. The thin, outer layer of the skin.
- 48. Specialized nerve cells that carry messages from sensory organs to and from the brain.
Down
- 1. Small sensory receptors on the tongue.
- 2. The system of bones that supports the body, gives it shape, protects internal organs, and works with muscles to allow movement.
- 3. Muscle found between bones that moves the skeleton.
- 4. Takes in oxygen from the air and removes gaseous waste produced by cells.
- 7. Blood vessels that carry oxygen rich blood away from the heart.
- 8. A muscle located below the lungs that causes air to flow in and out of your lungs.
- 12. Contains the heart, blood, and blood vessels and pumps blood throughout the body.
- 13. Fingerlike structures on the inside of the small intestine that contain capillaries.
- 16. The layer of skin just underneath the epidermis.
- 17. A body structure made of tissues that work together to perform a specific function.
- 18. The main organs of the respiratory system.
- 20. Organs that allow for sight. Rods and cones are the specialized sensory cells in the eyes.
- 21. Tough, rope like tissues that attach skeletal muscles to bones.
- 22. Tubes throughout the body that carry blood.
- 25. The job or role of a structure.
- 26. A body part that connects you to the world through sight, hearing, smell, taste, and touch.
- 29. Glands found in the dermis that make sweat to help cool the body.
- 31. The organ that manages sugar in the body.
- 32. A bundle of neurons.
- 35. The opening where light enters the eye. A lens behind the pupil focuses the light onto the back of the eye.
- 37. Breaks down food into nutrients and other substances the body can use.
- 39. Carries messages to and from the brain.
- 42. Controls body functions such as breathing, heart rate, and swallowing.
- 43. The organ (muscular sac) that stores urine in the body.
- 44. A small opening in the skin that grows hair.
- 47. Carries food from your mouth to your stomach.