Blood is a fluid connective tissue that performs many functions in the body. It carries oxygen and nutrients to the cells, hormones (chemical messengers) to the tissues, and waste products to organs that remove them from the body.
A wash bottle is a squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks. Wash bottles using in laboratories. Wash bottles are sealed with a screw-top lid.
And then place the third sock inside the bottle and place either green moss or grass inside of it. The purpose of this filter system is to remove any foul odor or taste from the water. It does NOT purify the water, it just filters and removes bad the odor/taste.