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.
Wound wash is a product that is used to clean out wounds safely so that dirt or debris is rinsed away from affected area. The liquid that makes up wound wash is sterile so that there is the best possible chance that bacteria will not enter the wound during the washing process.