Ap Biology Chapter 49 Flashcards

5200536353	Nerve net	A series of interconnected nerves	0
5200542276	Cephalization	Clustering of sensory organs at the front end of the body	1
5200546192	CNS	Brain and spinal cord	2
5200551022	PNS	Sensory neurons and motor neurons	3
5200554817	Reflex arc	The body's automatic response to a stimulus (From sensory nerve to the spinal cord and back)	4
5200574182	Cranial nerves	Nerves that originate in the brain and mostly terminate in organs of the head and upper body	5
5200580444	Spinal nerves	Nerves that originate in the spinal cord and extend to parts of the body below the head	6
5200588094	Motor system	Carries signals to skeletal muscles and is voluntary	7
5200598369	Autonomic nervous system	Regulates the internal environment in an involuntary manner	8
5200609297	Sympathetic division	Correlates with the "fight or flight" response	9
5200614066	Parasympathetic division	Promotes a return to "rest and digest"	10
5200620153	Enteric division	Controls activity of the digestive tract, pancreas, and gallbladder	11
5200632370	Forebrain, Midbrain, Hindbrain	The three divisions of a developing brain	12
5200644110	Cerebral cortex	The outer portion of the cerebellum that surrounds most of the brain	13
5200657099	Brainstem	Coordinates and conducts information between brain centers	14
5200668481	Midbrain, Pons, Medulla oblongata	The three parts of the brainstem	15
5200673943	Midbrain	Contains centers for receipt and interation of sensory information	16
5200677589	Pons	Regulates breathing centers in the medulla	17
5200681042	Medulla oblongata	Contains centers that control several functions including breathing, cardiovascular activity, swallowing, vomiting, and digestion	18
5200699222	Reticular formation	The core of the brainstem has a diffuse network	19
5200712472	Cerebellum	Is important for coordination and error checking during motor, perceptual, and cognitive functions	20
5200738796	Thalamus	The main input center for sensory information to the cerebrum and the main output center for motor information leaving the cerebrum	21
5200753994	Hypothalamus	Regulates homeostasis and basic survival behaviors such as feeding, fighting, fleeing, and reproducing	22
5200773205	Suprechiasmatic nuclei	Nuclei in the hypothalamus that act as the internal clock	23
5200782777	Corpus callosum	Provides communication between the right and left cerebral cortexes	24
5200793219	Amygdala	Located in the temporal lobe and helps store an emotional experience as an emotional memory	25
5200803833	Neural plasticity	Describes the ability of the nervous system to be modified after birth	26
5200813397	Short-term memory	Accessed via the hypothalamus	27
5200816448	Long-term memory	Memories stored in the cerebral cortex	28
5200836303	Long-term potentiation	A form of learning that involves an increase in the strength of synaptic transmission	29
5200850060	Parkinson's disease	A motor disorder caused by the death of dopamine-secreting neurons in the midbrain	30
5200861537	Alzheimer's disease	Is caused by the formation of neurofibrillary tangles and amyloid plaques in the brain	31