antibiotic

"The doctor prescribed a pharmaceutical to treat the patient's cough. "

"The doctor suspected a bacterial infection after examining the patient's throat. "

"The scientist carefully examined the substance to determine its chemical composition. "

"The cud is then reswallowed and further digested by specialized microorganisms that live in the rumen."

"My grandmother takes several medications for her high blood pressure. "

"The doctor prescribed antibiotics to help fight the bacterial infection in my throat. "

"The doctor prescribed aspirin."

"The children excitedly discussed whether the strange lights in the sky were caused by an extraterrestrial. "

"to transport goods; to transport troops"

"It is generally known that the Earth is round."

"The doctor examined the swollen lymphatic in my neck to check for infection. "

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