Biology Exam Revision

6. The process plants use to turn sunlight into energy
8. The chemical reaction used in plants where glucose is broken down for energy
11. ___ blood cells are produced by the body to destroy pathogens
12. A reflex ___ is the pathway that reflexes travel through the nervous system
13. There are ___ types of neurons that make up the nervous system
14. The line of defence that stops the pathogens from getting inside our body
15. Layers of connective tissue in the brain
16. The part of the brain that controls balance andcomplex muscle actions
19. CNS = ___ nervous system
20. One of the main groups of plant hormones that makes plants bend towards the light
22. The line of defence with a 'seek and destroy' approach
23. A person is said to be ___ when the body is protected from re-infection in the future

1. Endocrine ___ release hormones into the blood
2. ___receptors respond to light
3. The parts of the central nervous system are the spinal cord and ___
4. One of the endocrine glands in the brain that controls reflex actions
5. The endocrine gland that releases insulin and glucagon
7. The body system that controls hormones
9. PNS = ___ nervous system
10. A ___ action protects us from damage
16. The part of the brain that controls memory, speech and thought
17. The is the part of the brain that controls unconscious or involuntary thoughts
18. Another name for a nerve cell
21. The line of defence where any remaining pathogens are targeted