Across
- 4. Pea sized gland produces growth hormones
- 5. The type of joint in an elbow
- 6. Types of organs that produce hormones
- 9. Produced by glands on the kidneys and also called adrenaline
- 13. A mechanism used by the digestive system to help maintain homeostasis
- 14. Circulation between heart and lungs
- 15. Thick bands that connect muscle to bone
- 18. Organ that contains hepatic tissue
- 19. Receives impulses from other cells or from sensory receptors
- 20. Site of gas exchange
- 21. Involuntary smooth muscle that controls chest cavity expansions
- 22. A tube that carries urine from the bladder to the outside of body
- 23. Passageway for air and food
- 24. Gland that controls sleep cycle
Down
- 1. This cage protects the heart and lungs
- 2. Type of neuron that carries messages from brain to muscle
- 3. A smooth flexible protein that acts as a shock absorber
- 4. This part of nervous system connects the CNS to the body
- 7. Hormone produced by the pineal gland that controls sleeping and waking times
- 8. Within
- 10. Type of neuron in spinal cord that carries messages to the brain
- 11. Contractions that move the food through the tube organs
- 12. Gland that controls amount of sugar in our blood
- 16. Long tubes that carry urine from each kidney to the bladder
- 17. The main filtering units of the kidney
- 25. Carries impulses away from the cell body to the synapse