tetanus

"To get a good grade on the test, you need to answer the questions properly. "

""He often acts on his impulses, like buying candy he doesn't need or blurting out whatever comes to mind." "

"The scientist examined the sample and found a bacterium, a tiny cell without a nucleus, under the microscope. "

"After the cow chews and swallows grass, it travels through its stomachs and then into its intestines, where nutrients are absorbed. "

"The lack of sleep resulted in a poor performance on the math test. "

"The city came under sustained attack by enemy forces."

"The architect prolonged the design phase of the new library, adding more time for planning. "

"After sitting at the desk for hours, I felt a lot of stiffness in my neck. "

"The deep, dark mud at the bottom of the pond is an anaerobic environment. "

"The muscle contraction during exercise resulted in a temporary reduction in the size of the arm. "

"The doctor suspected that the patient's wound infection was caused by clostridium, a type of bacteria often found in soil and able to survive even without oxygen. "

"The infection spread quickly through the classroom after one student got sick. "