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.
If your bottle is not clean, or is questionable, or hasn't been used since last year, clean it first. 1  Empty the bottle. 2  Refill halfway with tap water. 3  Add a small amount of bleach (1 tablespoon)  Add a small amount of laundry detergent (1 1  teaspoon) Cap and shake vigorously. [Be careful of the cap: drips will bleach your clothes]