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- Nervous system (3163 bytes)
3: ...|toxins]], typically causing [[paralysis]] and/or death.
12: *Between neurons by way of [[neurotransmitter]] [[diffusion]] across [[synapse]]s.
15: ...ys]] and [[motor pathways]], the latter being divided into the [[somatic nervous system|somatic (volun...
19: ...pathetic nervous system, on the other hand, is evident when a person is resting and feels relaxed, and... - Brain (22060 bytes)
4: ...[Image:Anatomy06-brain.jpg|thumb|250px|Image provided by [http://classroomclipart.com Classroom Clip A...
5: ...ut the body by sending various chemicals called [[neurotransmitter]]s across gaps known as [[synapse]]s. Small inver...
7: ==A smart device==
11: ...the volume of the brain compact enough to fit inside the skull.
14: ...vessel]]s in the brain, is another major cause of death and brain damage. - Eye (21834 bytes)
1: ...ight or dark. More complex eyes are used to provide the [[sense]] of [[visual perception|vision]]. Ma...
9: ...es grow outward from brain cells during embryonic development, while mollusk eyes grow inward from ski...
11: ...ranged hexagonally, and which can give a full 360 degree field of vision. Compound eyes are very sensi...
16: Jumping spiders have simple eyes that are so large, supported b...
18: ...ght|thumb|300px|Eye of a Komodo Dragon.Image provided by [http://classroomclipart.com Classroom Clip A... - Retina (13061 bytes)
5: ...ant part in [[visual perception]]. In [[embryonal development]], the retina and the optic nerve origin...
9: ...s in the retina have been used for [[biometric]] identification.
12: ... the peripheral retina. The edge of the retina is defined by the [[ora serrata]]. The length from one ...
14: ...heir axons. This spatiotemporal pattern of spikes determines the raw input from the eyes to the brain....
20: ...rs of [[neuropil]]s where synaptic contacts are made. The neuropil layers are the outer [[plexiform]] ... - Basal ganglia (4800 bytes)
1: ...-brain.jpg|thumb||200px|right|Brain Clip Art provided by [http://classroomclipart.com Classroom Clip A...
2: ...d learning functions. However, there is no single definitive function that can be assigned to the [[ma...
4: ...]], and the [[substantia nigra]] is generally divided into the "pars compacta" and "pars reticulata").
6: ...clei of the basal ganglia labelled on the right side.
7: ...- see the nuclei mirrored on the left and right sides in the above sections). - Vesicle (biology) (1701 bytes)
4: ...t also in the [[endoplasmic reticulum]], or are made from parts of the [[plasma membrane]].
7: ...sicles]] can move molecules between locations inside the cell, e.g., proteins from the Rough [[Endopla...
9: ...d at presynaptic terminals in [[neurons]] store [[neurotransmitter]]s.
11: ...small compounds) that were taken in from the outside of the cell by an endocytic vesicle. - Amygdala (2653 bytes)
1: ...-brain.jpg|thumb||200px|right|Brain Clip Art provided by [http://classroomclipart.com Classroom Clip A...
3: ...ala owing to damage, developmental problems, or [[neurotransmitter]] imbalance. - Black widow spider (5745 bytes)
2: ...x|Black Widow spider]] | caption = Black Widow spider}}
9: {{Taxobox genus entry | taxon = ''[[Latrodectus]]''}}
12: ...on binomial | color = pink | binomial_name = Latrodectus mactans | author = [[Johan Christian Fabriciu...
15: ...frica the black widow is known as the ''button spider''.
17: ...is about 0.5 inches (13 mm). Male black widow spiders are half the size of the female, but with longe... - Globus pallidus (1960 bytes)
1: ...mate ''[[entopeduncular nucleus]]'' is often considered the homolog of the ''internal segment of the g...
4: ...c nucleus. It is sometimes used as a target for [[deep brain stimulation]] as a treatment for [[Parkin... - Muscle (12774 bytes)
13: ... the smooth muscles and the striated muscles include: the fibers of the smooth muscles are not arrange...
15: Muscles within the skeletal muscle are also divided into two subtypes:
17: ... of your strength. Type II fibers are further divided into two sub-categories :
18: ...ibers (at least a fraction of them does). Thus, sedentary people have a higher proportion of type IIx ...
22: ...] are distributed throughout the muscles and provide feedback sensory information to the [[central ner...
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