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.
For starters, they say that all kinds of bacteria can thrive in made-to-be-disposed bottles, even after washing. Wear and tear on the bottle can form cracks that could harbor bacteria. An additional concern is that harmful chemicals can leach out of single-use plastic bottles and into your drinking water.