cilia

"He reached for a weapon that was on the table."

"The single-celled organism was studied by the biology students in their science class. "

"The scientist studied the unicellular organism under a microscope. "

"Dust particles floated in the sunbeam coming through the window. "

"She carefully handled the delicate, lace-trimmed lingerie. "

"I brush my teeth regularly to prevent them from turning yellow."

"A beautiful butterfly fluttered around the garden flowers. "

"The old tree trunk had many rough protrusions that made it difficult to climb. "

""Walking is her primary form of locomotion because she lives close to school." "

"The shelf is projecting about a foot from the wall. "

"The birds had built an amazing structure out of sticks and various discarded items."

"The organelle called the mitochondrion is responsible for producing energy within a cell, much like a power plant provides energy for a city. "