body systems

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

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