syringes

"Archaeologists carefully dig in the dirt, looking for clues about past civilizations. "

"The violinist was a master of her instrument."

"My sister is very helpful, especially when it comes to organizing things. "

"The box containing my old toys was stored in the attic. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The nurse injected a painkilling drug into the veins of my forearm."

"The doctor spoke kindly to her patients before giving them their medicine. "

"He documented each step of the process as he did it, which was good when the investigation occurred."

"The project consists of three main parts. "

"The cell membrane controls what enters and leaves the cell. "

"The doctor used a hypodermic to inject the medicine. "

"to investigate the causes of natural phenomena"