Answer by Shania60. Confidence votes 21. the function of a muscle cell is, by definition, to move. this can be accomplished when the cell contracts. contracting makes it denser, which is why when you feel a relaxed muscle in your arm suddenly tense up, it hardens.nswer by Shania60. Confidence votes 21. the function of a muscle cell is, by definition, to move. this can be accomplished when the cell contracts. contracting makes it denser, which is why when you feel a relaxed muscle in your arm suddenly tense up, it hardens.
Cobwebs and spider webs are different things. Spiderwebs are spun from their silk, and you will usuallysee the spider at home in the web. Cobwebs are a mixture of dust and whatever glues the dust together-sorry-I can't be more specific on that part.
Yeah, the skeleton is a natural frame structure ^.^ A cobweb is too.... Things like the Eiffel tower, bridges etc. are man-made frame structures. DON'T confuse them with eat â¦ hother-I mean you can't exactly make a cobweb can you....