body systems
Across
- 4. a type of blood cell that consumes pathogens
- 6. a fungal infection in the skin, hair or nails; often calleds ringworm
- 8. a hormone produced in the adrenal glands; it is commomly known as adrenalin
- 11. a whie blood cell that makes antibodies and is found in the lymph nodes
- 12. able to maintain a constant body temperature
- 14. a portion of the brain that constantly checks the internal environment of the body
- 15. organelles where cellular respiration occurs
- 16. part of the nervous system that speeds up the functions of the body and makes the body work more efficiently
- 17. a single cell with a tough skin that fungi use to spread
- 18. a hormone that has the opposite effect to insulin: it releases glucose from the stores in the liver and muscles
- 19. chemical substances that act as messengers in the body
- 20. a hormone that controls the amount of urine produced by the body
- 22. the space between two neurones
- 23. a chemical message released at the end of an axon to be received by the next neuron's dendrites
- 24. the process of maintaining a constant internal environment
- 25. the nerves that carry messages to and from the central nervous system and other parts of the body
- 28. a stomach infection caused by the bacterium Salmonella enteridis
- 29. an infectious disease spread throughcontaminated water
Down
- 1. a viral illness; symptoms include high temperature and body aches
- 2. a chemical that kills fungi
- 3. the system controlling involuntary actions such as the heartbeat
- 5. a substance that speeds up the rate of a reaction without being used in the process
- 7. the endocrine gland that controls the activities of other endocrine glands: it is often called the 'master gland'
- 9. part of the nervous system that slows the body down and controls it when it is resting
- 10. part of the nervous system that coordinates the movement of the body and receives information from the sensory organs
- 12. an organic catalyst
- 13. a viral disease; symptoms include a rah of small, itchy blisters
- 21. a nerve fibre that sends nerve impulses away from the cell body
- 26. a nerve cell
- 27. a chemical made by the immune system that makes it possible for white blood cells to destroy pathogens