Answer:
1. aura- C) peculiar symptoms appearing before more definite symptoms
2. palliative-G) relieving, but not curing
3. transient ischemic attack- F) interruption of blood supply to the cerebrum .
4. occlusion B) blockage
5. dopamine A) neurotransmitter
6. glioblastoma multiforme D) malignant brain tumor of immature glial cells
7. absence seizure E) minor form of epileptic seizure
8. tonic-clonic seizure H) major convulsive epileptic seizure
Answer:
a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.[1] Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea.[2][3] Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898,[4] more than 9,000 virus species have been described in detail[5] of the millions of types of viruses in the environment.[6] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity.[7][8] The study of viruses is known as virology, a subspeciality of microbiology.
It helps with executive functions, such as behaving in socially appropriate ways.
A. Pacemaker cells located in the atria fire before the pacemaker cells in the ventricles. B. It takes time for hormones to diffuse from the atria to the ventricles to trigger contraction. C.The electrical signal generated in the right atrium is delayed at the AV node before passing to the ventricles. D.The ventricular muscle cells contract more slowly than the atrial muscle cells.