(Question)
Q: The peripheral nervous system has major nerves that travel through every part of the body except which two places? Read this paragraph and choose the correct option from the provided answers: All the other nervous tissues in the body are part of the peripheral nervous system. If you look again at Figure above , you can see the major nerves of the peripheral nervous system. They include nerves that run through virtually every part of the body, both inside and out, except for the brain and spinal cord. Choices: - muscles and brain - lungs and spinal cord - brain and heart - brain and spinal cord A:
(Answer)
brain and spinal cord

(Question)
Q: What chemical substances are secreted by animals that communicate by odor or taste? Read this paragraph and choose the correct option from the provided answers: Choices: - alaki - hormones - acids - pheromones A:
(Answer)
pheromones

(Question)
Q: Chemical changes occur because of what? Read this paragraph and choose the correct option from the provided answers: Did you ever wonder what happens to a candle when it burns? A candle burning is a chemical change in matter. In a chemical change, one type of matter changes into a different type of matter, with different chemical properties. Chemical changes occur because of chemical reactions. You can see more examples of chemical changes at this URL: http://www. youtube. com/watch?v=66kuhJkQCVM . Choices: - liquid reactions - evaporation - toxic reactions - chemical reactions A:
(Answer)
chemical reactions