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.
Rinse the bottle well with clean water. 8. Use a brush with soap and water to clean the outside and around the threads and then let dry. If you are going to use it as a beverage container, you can fill it immediately after washing. 9. Display or fill bottle and enjoy.