11. Relate the relationship between motor neurons, interneurons, and sens 16. Describe how the eye receives light stimulus and sends a signal to the brain
CHAPTER 1 THE NERVOUS SYSTEM AND SENSE ORGAN
receptors.
12. Describe the role of chemoreceptors in taste and smell,
13. List five different types of sensory receptors in the human body.
14. Identify the parts of the ear responsible for hearing and for balance
15. Compare how rods and cones respond to light.
17. State the type of receptors that function in taste and smell.
18. Explain the role of skin in sensing touch, temperature, and pain.
19. State the types and roles of the peripheral nervous system
20. Outline the diseases of nervous syste

americans began to notice growing differences between the northern and southern sections of the country. there were more people living in cities in the north, which made it more urban. more people lived on farms in the south, which made it more rural. while many people were farmers in the northern states, there were now other ways to make a living, such as working in mechanical cotton gins factories manufacturing cloth, tools and other goods. people in the north supported high tariffs on goods imported from europe because the extra cost encouraged people to “buy american” instead. in the southern states, planters did not like tariffs because they sold most of their production to europe and bought their tools from there as well. southerners believed the protective tariff was something that only northern factory owners keep their profits high. so the southern politicians came up with an idea. they would opt out. they would simply ignore the protective tariff. it was ‘null and void’ in south carolina. the state would not collect the taxes on goods imported into south carolina, no matter what the president said they had to do. this decision led to the nullification crisis.

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