Science cross word puzzle

4. it is the largest part of brain
7. it is where a neurons receives imput from other cells
8. it regulate involuntary physiological processes
10. it is a type of genitic change that involves the absume of a segment of dna
11. a network of nerves that helps your body active its "fight of flight"respones
13. a subdivision of your peripheral nervous system, which is all of your nervous system except your brain and spinal cord
14. this is made up of brain and spinal cord
17. it is the main constituent of chromosomes
18. it is a chemical substance that nuetralizes alkalis dissolves some metals
20. a network of nerves that runs throughout the head,neck and body
24. it is a complex circuits throughout the body that allows both voluntary and involuntary movements
26. an amino acid that is used in the biosynthesis of proteins
28. it is a condition in which a person has an extra chromosome
29. any living biological entity

1. it is a nerve cell that are activated by sensosy input from the
2. the central part of neurons that includes the nucleus
3. portion of the brain in the back of the head between the cerebrum and the brain stem
5. an organ or cell that able to respond to light,heat or other external stimulus
6. this is a single stranded molecule of RNA
9. it function based on sensory input,integration and motor output
11. it is a column of nerve tissue that runs from the base of the skull
12. it can be used by skeletal muscle to give energy during exercise
15. small pocket of space between two cells
16. it is the structure that connects the cerebrum of the brain to the epinal cord and the cerebellum
19. it is the firts codon of a messenger RNA transcript translated by a ribosome
21. an amino acid or a building block for proteins
22. it is the cable that several times thinner than a human hair
23. the most complex part of human body
25. a network of nerves that relaxes your body after periods of strees or danger
27. a nucleic acid present of chromosome