Across
- 2. The functional unit of the kidney that filters blood and produces urine
- 4. A blood cell that carries oxygen from the lungs to the body tissues
- 7. A clear fluid that carries white blood cells and helps removes waste and toxins
- 9. A part of a neuron that transmit electrical impulses away from the cell body
- 11. A biological process where the body adjusts functions to maintain balance
- 12. The liquid portion of blood that transports nutrients, hormones and waste
- 14. A type of joint surrounded by a fluid-filled capsule, providing movement
- 15. The study of how the body and its systems function
- 16. A muscle that separates the chest from the abdomen and aids in breathing
- 18. Small air sacs in the lungs where gas exchange occurs
- 19. The junction between two neurons where nerve impulses are transmitted
Down
- 1. Chemical substances secreted by glands to regulate body process
- 3. Small finger-like projections in the small intestine that absorb nutrients
- 5. A bone cell that maintains the bone matrix
- 6. A protein involved in muscle contraction
- 8. The maintenance of a stable internal environment in the body
- 10. A specialized cell that transmits nerve impluses
- 13. A gland that secretes hormones directly into the bloodstream
- 17. The study of the structure of the body and its parts
- 20. A protein that speeds up the chemical reactions in the body