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.
Cleaning Bottles. 1  1. Rinse the baby bottles directly after use. 2  2. Gather the right cleaning materials. 3  3. Rinse out the sink and fill with hot soapy water.  4. Dismantle the bottle and wash each part 1  separately. 5. Alternatively, wash the bottles in the dishwasher.  6. Allow the bottles to dry thoroughly.