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chp 35 test
| Question | Answer |
|---|---|
| what are the 4 types of tissue? | epithelial tissue, connective tissue, nervous tissue, and muscle tissue |
| What does the nervous system do? | recognizes and coordinates the body's response to changes in internal and external environments |
| what does the endocrine system do? | controls growth, development, and metabolism; maintains homeostasis |
| what are the levels of organization of the body? | cells, tissues, organs, and organ system |
| what is homeostasis? | the process by which organisms keep internal conditions relatively constant despite changes in external environments |
| how does an impulse start? | when a neuron is stimulated by another neuron or by the environment |
| what are the functions of the central nervous system? | relays messages, processes information, and analyzes information |
| what division of the peripheral nervous system transmits impulses from sense organs to the central nervous system? | the sensory division |
| where are pain receptors NOT LOCATED? | the brain |
| what drug increases heart rate, blood pressure, and breathing? | stimulants |
| what are the functions of neurotransmitters? | bridges the gap between neurons or between a neuron and an effector |
| how does a neuron reach action potential? | when it has a reversal of charges, from negative to positive |
| what are the functions of cerebrum? | it is responsible for voluntary, or conscious, activities of the body |
| in what parts of the ear -- when infected, causes one to be dizzy? | semicircular canal |
| what drug slows down activity in central nervous system? | depressants |
| what is the region of the brain that recognizes hunger? | hypothalamus |
| what sense relies on the largest sense organ in the body? | the sense of touch |
| when drug user attempts to stop using this drug the body cannot produce enough endorphins. | opiates |
| what is an example of epithelial tissue | it covers the interior and exterior body surfaces |
| what is an example of connective tissue? | provides support for the body and connects its parts |
| what is an example of nervous tissue? | transmits nerve impulses throughout the body |
| what is an example of muscle tissue? | enable body to move |
| what is the somatic nervous system | regulates activities that are under conscious control |
| what is the peripheral nervous system | transmits impulses from the sense organs to the central nervous system |
| what are the divisions of the peripheral nervous system? | somatic nervous system and the autonomic nervous system |
| what does alcohol do to the body? | a depressant that slows down the rate at which the central nervous system functions |
| what is a dendrite? | short branched extensions that carry impulses from the environment or from other neurons toward the cell body |
| what is a cone? | responds to light of different colors |
| what is a rod? | extremely sensitive to light but do not repsond to light of different colors |
| what is the largest region of the brain? | cerebrum |
| chemoreceptors are associated with what two senses? | nose and taste buds |
Created by:
fosterw
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