colonoscope

"The patient followed the doctor's instructions carefully. "

"The doctor used an endoscope to look inside the patient's stomach and check for any problems. "

"To obtain a library card, you need to show a photo ID. "

"The doctor ordered more tests to check for any abnormalities in the blood sample. "

"The delicate tissue paper wrapped the fragile antique doll. "

"It looks weaker and weaker, the more I think about it."

"The new schedule is a flexible option for students. "

"a blood sample"

"If you still feel unwell tomorrow, see your doctor."

"The student used a calculator to solve the math problem. "

"The teacher said to use a colon after the introduction in our list. "

"He examined the crime scene for clues."