Answer:
No, viruses are not considered cells as they're parasitic and can't live on their own. A virus has to infect living cells in order to survive, so it's not considered a cell.
The sneezing is release of air that helps the body to get rid of irritants in our nose and throat, like allergens, dirt, and dust.
Coughing is by forcing the air out of the lungs with high pressure, to clear the throat of these foreign particles.
I would say the answer would be krill
A covelant bond consists a shared electron
Answer:
Sensory memory is an ultra-short-term memory and decays or degrades very quickly, typically in the region of 200 – 500 milliseconds (1/5 – 1/2 second) after the perception of an item, and certainly <em>less than a second</em> (although echoic memory is now thought to last a little longer, up to perhaps three or four seconds).