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.
These dual-purpose units can be used to combine an eye wash and a drench hose into a single versatile, economic unit. To use the unit as a fixed eye wash, simply leave the unit in the holder. The dual spray heads will deliver water to both eyes simultaneously.To function as a drench hose, remove the unit from the holder and rinse any part of the eyes, face, or body.hese dual-purpose units can be used to combine an eye wash and a drench hose into a single versatile, economic unit. To use the unit as a fixed eye wash, simply leave the unit in the holder. The dual spray heads will deliver water to both eyes simultaneously.